Steyr aug full auto stock

Steyr aug full auto stock DEFAULT
I will preface by stating I am not an Aug expert by any means.  My knowledge is what I have picked up from owning semi Augs and my search and purchase of a Qualified Aug Sear, so some of my  knowledge is theoretical based on research and conversations with folks who know a lot more Augs and conversions that I do vs. me having actual hands experience on all these different types of conversions.

That said there are basically four types of transferable Aug conversions but will preface that discussion with the three primary components of the Aug that interrelate that make the firearms a machinegun or not.

1.The receiver itself.  A semi Aug and Full auto Aug receiver are very similar.  The primary difference is the stock latch width.  This is the notch in the receiver that allows the stock to latch onto the receiver. The full auto guns the notch is wider and the semi auto guns the notch is smaller.   This difference precludes the installation of the full auto stock onto the semi auto receiver as the  stock latch won't engage.
2.The Stock.  The Full auto stock not only has the wider latch but also will allow the installation of the full auto hammer pack.  The Semi Auto stock has protrusions that prevent the installation of a full auto hammer pack.
3.The Hammer Pack.  The Full Auto hammer pack has no stock protrusion cutouts.  The semi auto hammer pack has these notches that conveniently are where the factory full auto sear pin hole is located.  This is similar to HK where the semi receiver shelf is designed to prevent in the installation of a full auto trigger pack and the cutouts are designed to remove the location of a factory full auto sear catch/trip.

True factory machinegun spec registered receivers:

These receivers are ones that have had their narrow semi-auto stock latch milled to accept a full auto stock and hence a full auto hammer pack.  These are basically former semi auto receivers that now accept all factory full auto Aug parts.  There are not many of these around. My understanding is that Augs were in the US for not a whole lot of years prior to 86 and that the ATF frowned upon this conversion practice as well.  Basically, while not illegal to perform a conversion in this manner to do this required essentially the cannibalization of a Post-68 full auto dealer import sample Aug.  The same as today if somebody imports/brings in a 10.5 HK 416, strips it of parts and puts in on a MR556 lower registered on a F2 as a SBR.  The US wasn’t awash in full auto Aug parts so making a true machinegun spec Aug required in many cases stripping an imported dealer sample of all its parts to make an Aug that could then go to a civilian and there were only so many full Auto factory Augs to strip for parts without arousing the ire of the BATF.

The plus is these conversions take all full auto parts and are identical mechanically to a factory Aug,  similar to a double push pin MP5/HK94 conversion.  The downside is that you are stuck with an A1 style Aug receiver and that the wear and tear goes onto the receiver itself like any registered receiver.

Registered Receiver Conversions with non-factory parts:

These are units where the registered component is an unmodified semi auto receiver but use some combination of unregistered conversion parts (usually hammerpack mods with some type of sear) to enable full auto fire using the Semi Receiver and Stock

These seem to be pretty common as conversions go.  The downside is there is some mystery of parts being used to make the magic happen, some of which may not be legal to replace as they are unregistered conversion parts unto themselves.   Trigger pull may be really poor on these guns and they may also use a proprietary full auto cocking piece trip on the bolt.  You are also stuck with an A1 style Aug as well.   I personally would shy away from these guns or at least inspect the mechanics of how they were produced prior to purchasing.

Registered Hammer Packs:

These are full auto hammer packs that have been modded to fit inside a semi-auto stock.   I have only read/heard about these but have never actually seen one.  I am not sure how they notch the full auto hammer pack to clear the protrusions in a semi-auto stock and still keep the auto sear pin hole intact.  It looks to me like if you make a semi auto notch to match the semi hammerpack you would lose the sear pin hole or it is  really really close like a notched HK full auto trigger pack.

Semi Pack:  (You can see the sear block and relief notches in the front of the pack)

Full Auto 3rd Pack:  (You can see the sear pin hole and sear where the relief in the semi auto pack is)

Pros are that these could be moved to a modern A2 or A3 Aug but also still take all full auto internals.

I don’t see any real downside and would have bought one if I could have found one for sale.

Registered Sears.

These were mainly made by Fleming and Qualified with a lot of them being installed into hosts by FJ Volmer Co. These are conversion sears that will fit in a semi-auto pack once you prep the pack via a Mill and Drill operation (similar to an HK Sear going into a HK Semi Auto Pack as its not drop in)    

The upside is that the Fleming and Qualified the sears are made of steel and should last a lifetime and the sear and modded hammer pack can move into a modern A2 or A3 Aug.

The downside of the sears is that the fire control geometry in the pack is different and as a result the trigger pull for full auto (since Augs are light pull semi / Hard pull full) can be really heavy.  The sears being steel (vs. polymer like the OEM sears) can also tear up the OEM plastic full auto cocking pieces on the bolt carrier.   The cocking pieces are easily replaceable as they wear but a metal conversion sear vs. a plastic trip accelerates wear vs. the polymer sear against a polymer cocking piece in the factory setup.

Since I had not seen any registered hammer packs for sale in recent memory, I ended up with a Qualified Sear purchase as I ultimately wanted to end up with a modern A3 Aug and am personally more of a "shooter" than a "purist collector".

In regards to your sear gun you can't use a full auto stock as the sear is meant for a semi auto pack which goes in a semi auto stock which fits a semi-auto receiver.  Your semi receiver wont fit in a full auto stock without modifying the receiver or stock which is a no/no post 86.  With the Aug a partial trigger pull (first stage) is semi auto and a full pull back trigger (second stage) is full auto or burst (if the burst pack is installed and set to burst).  You will want to make sure you have the anti-bounce rods installed in the bolt carrier, a spring on the firing pin if not present, that the full auto cocking piece on the bolt carrier  isn’t chewed up.  Other than that it should function full auto if you pull the trigger back all the way to the second stage.  However, just be aware that with a conversion sear the trigger pull all the way back to the second stage may be really heavy.

Hope this helps and if you have any other questions just let me know and I would be more than happy to help.

Steyr AUG

Bullpup assault rifle
Squad automatic weapon (AUG HBAR)
Submachine gun (AUG Para)

AUG A1 508mm 04.jpg

AUG A1 with 508 mm (20.0 in) barrel

TypeBullpupassault rifle
Squad automatic weapon (AUG HBAR)
Submachine gun (AUG Para)
Place of originAustria
In service1978–present[1]
Used bySee Users
WarsSee Conflicts
DesignerHorst Wesp
Karl Wagner
Karl Möser
ManufacturerSteyr Mannlicher
Thales Australia, Lithgow Facility
SME Ordnance
VariantsSee Variants
  • 3.6 kg (7.9 lb) (Standard)
  • 3.3 kg (7.3 lb) (Carbine)
  • 3.2 kg (7.1 lb) (Subcarbine)
  • 3.9 kg (8.6 lb) (HBAR)
  • 3.3 kg (7.3 lb) (Para)[1]
  • 790 mm (31.1 in) (Standard)[1]
  • 690 mm (27.2 in) (Carbine)
  • 630 mm (24.8 in) (Subcarbine)
  • 900 mm (35.4 in) (HBAR)
  • 665 mm (26.2 in) (Para)[1]
Barrel length
  • 508 mm (20.0 in) (Standard)[1]
  • 407 mm (16.0 in) (Carbine)
  • 350 mm (13.8 in) (Subcarbine)
  • 621 mm (24.4 in) (HBAR)
  • 420 mm (16.5 in) (Para)[1]

ActionGas-operated, rotating bolt
Rate of fire680–750 rounds/min[3]
Muzzle velocityStandard rifle: 970 m/s (3,182 ft/s)
Effective firing range300 metres (980 ft)
Maximum firing range2,700 metres (8,900 ft)
Feed system
SightsSwarovski 1.5× telescopic sight, emergency battle sights, and Picatinny rail for various optics

The Steyr AUG (German: Armee-Universal-Gewehr, lit. 'universal army rifle') is an Austrianbullpupassault rifle chambered for the 5.56×45mm NATOintermediate cartridge, designed in the 1960s by Steyr-Daimler-Puch, and now manufactured by Steyr Mannlicher GmbH & Co KG.

It was adopted by the Austrian Army in 1978 as the StG 77 (Sturmgewehr 77),[4] where it replaced the 7.62×51mm NATOStG 58automatic rifle (a licence-builtFN FAL).[5] In production since 1978, it is the standard small arm of the Bundesheer and various Austrian federal police units, and its variants have also been adopted by the armed forces of dozens of countries, with some using it as a standard-issue service rifle.

Steyr AUG importation into the United States began in the 1980s as the AUG/SA (SA denoting semiautomatic). President George H.W. Bush banned the AUG via an executive order under the 1989 Assault Weapon Import Ban. Six years into the ban, AUG buyers gained a reprieve as cosmetic changes to the carbine’s design allowed importation once again. Changes included the pistol grip being changed into a thumbhole stock, and the gun barrel left unthreaded to prevent attachment of flash hiders and suppressors. The ban sunsetted in 2004, and in 2008 Steyr Arms worked with Sabre Defense to produce parts legally in the U.S.[6]

Design details[edit]

The Steyr AUG is a selective-fire, bullpup weapon with a conventional gas-piston-operated action that fires from a closed bolt.[7] It is designed as a Modular Weapon System that could be quickly configured as a rifle, a carbine, a sniper rifle, a sub-machine gun and even an open-boltsquad automatic weapon. The AUG employs a very high level of advanced firearms technology and is made with the extensive use of polymers and aluminium components. It is chambered in 5.56×45mm NATO cartridge and has the standard 1:9 rifling twist that will stabilise both SS109/M855 and M193 rounds.

Some nations including Australia, Ireland and New Zealand use a version with a 1:7 twist optimised for the SS109 NATO round. The submachine gun variants are chambered in 9×19mm Parabellum. The AUG consists of six interchangeable assemblies: the barrel, receiver with integrated telescopic sight or Picatinny rail, bolt carrier assembly, trigger mechanism, stock and magazine.[7]

Operating mechanism[edit]

The AUG has a rotating bolt that features 7 radial locking lugs and is unlocked by means of a pin on the bolt body and a recessed camming guide machined into the bolt carrier. The bolt carrier itself is guided by two guide rods brazed to it and these rods run inside steel bearings in the receiver. The guide rods are hollow and contain the return springs. The bolt also contains a claw extractor that forms the eighth locking lug and a spring-loaded "bump"-type casing ejector.

The gas cylinder is offset to the right side of the barrel and works with one of the two guide rods. The AUG uses a short-stroke piston system where the right guide rod serves as the action rod, transmitting the rearward motion of the gas-driven piston to the bolt carrier. The left-hand rod provides retracting handle pressure when connected by the forward assist and can also be utilised as a reamer to remove fouling in the gas cylinder. The firearm uses a 3-position gas valve. The first setting, marked with a small dot, is used for normal operation. The second setting, illustrated with a large dot, indicates fouled conditions. The third, "GR" closed position is used to launch rifle grenades (of the non-bullet trap type).

The AUG is hammer-fired and the firing mechanism is contained in the rear of the stock, near the butt, covered by a synthetic rubber shoulder plate. The hammer group is made entirely of plastics except for the springs and pins and is contained in an open-topped plastic box which lies between the magazine and the buttplate. During firing the recoiling bolt group travels over the top of it, resetting the hammer. Since the trigger is located some distance away, it transmits its energy through a sear lever which passes by the side of the magazine. The firing pin is operated by a plastic hammer under pressure from a coil spring.

Steyr AUG with a loaded 30-round magazine.
The Steyr AUG's telescopic sight. Note the backup iron sights on top of it.


The AUG comes standard with four magazines, a muzzle cap, spare bolt for left-handed shooters, blank-firing adaptor, cleaning kit, sling and either an American M7 or German KCB-77 M1 bayonet.[citation needed]

Muzzle devices and barrel lengths[edit]

A three-pronged, open-type flash suppressors were used on the 350 mm (13.8 in), 407 mm (16.0 in) and 508 mm (20.0 in) length barrels, whereas the 621 mm (24.4 in) light machine gun barrel received a closed-type ported muzzle device (combination flash suppressor and compensator) and an integral, lightweight folding bipod. The flash suppressors are screwed to the muzzle and internally threaded to take a blank-firing attachment.[citation needed]


The AUG features an Spz-kr type progressive trigger (pulling the trigger halfway produces semi-automatic fire, pulling the trigger all the way to the rear produces fully automatic fire) and a safety mechanism (cross-bolt, button type), located immediately above the hand grip.[7] In its "safe" position (white dot) the trigger is mechanically disabled; pressing the safety button to the left exposes a red dot and indicates the weapon is ready to fire. Some versions have an ALO or "automatic lockout", a small projection at the base of the trigger. This was first included on the Irish Defence Forces variant of the rifle, and soon after, the Australian Defence Forces variant. In the exposed position the ALO stops the trigger being squeezed past the semi-automatic position. If needed, the ALO can be pushed up to permit automatic fire.[8]

Ammunition feeding[edit]

The AUG is fed from a translucent, double-column box magazines (molded from a high-strength polymer) with a 30-round capacity and an empty weight of 130 g (4.6 oz). The light machine gun variant of the AUG uses an extended 42-round magazine. An Argentine variant of the FN FAL chambered in 5.56×45mm NATO cartridge and known as the FALMP III Type 2 also uses the same magazine.[citation needed]


The AUG has a 1.5× telescopic sight that is integrated with the receiver casting and is made by Swarovski Optik.[7] It contains a simple black ring reticle ("donut of death") with a basic rangefinder that is designed so that at 300 m (984.3 ft) a 180 cm (5 ft 11in) tall man-size target will completely fill it, giving the shooter an accurate method of estimating range. The sight cannot be set to a specific range but can be adjusted for windage and elevation for an initial zero and is designed to be calibrated for 300 m. So when it is set, aiming at the centre of a target will produce a hit at all ranges out to 300 m. It also has a backup iron sight with a rear notch and front blade, cast into the top of the aluminium optical sight housing, used in case of failure or damage to the primary optical sight. The sight is also equipped with a set of three illuminated dots (one on the front blade and two at the rear) for use in low-level lighting conditions. In order to mount a wide range of optics and accessories, a receiver with a NATO-standard Picatinny rail and detachable carrying handle was also developed and introduced in December 1997.[citation needed]


The quick-change barrel used in the AUG is cold hammer-forged by GFM-GmbH of Steyr Austria for increased precision and durability, its bore, chamber and certain components of the gas system are chrome-plated (currently nitrided on US market rifles). The standard rifle-length barrel features 6 right-hand grooves and a rifling twist rate of 228 mm (1:9 in). An external sleeve is shrunk on to the barrel and carries the gas port and cylinder, gas valve and forward grip hinge jaw. There is a short cylinder which contains a piston and its associated return spring. The barrel locks into a steel insert inside the receiver through a system of eight lugs arranged around the chamber end and is equipped with a folding, vertical grip that helps to pivot and withdraw the barrel during barrel changes. The most compact of the barrels has a fixed vertical grip.

The receiver housing is a steel-reinforced aluminium extrusion finished with a baked enamel coating.[7] It holds the steel bearings for the barrel lugs and the guide rods. The non-reciprocating plastic cocking handle works in a slot on the left side of the receiver and is connected to the bolt carrier's left guide rod. The cocking handle has a forward assist feature—alternatively called a "silent cocking device"—used for pushing the bolt shut without recocking the rifle.[7][9] A bolt hold-open device locks the bolt carrier assembly back after the last round has been fired.[9] The newer AUG A3s possess a bolt release button, prior to this development all AUGs and the USR required the cocking handle being retracted to release the bolt group after a new magazine has been inserted. Older versions of the AUG can be upgraded to use the newer A3 stock and hammer pack.

The rifle's stock is made from fibreglass-reinforced polyamide 66. At the forward end is the pistol grip with an enlarged forward trigger guard completely enclosing the firing hand that allows the rifle to be operated with winter gloves.[7] The trigger is hung permanently on the pistol grip, together with its two operating rods which run in guides past the magazine housing. Behind that is the locking catch for the stock group. Pressing this to the right will separate the receiver and stock. The magazine catch is behind the housing, on the underside of the stock. Above the housing are the two ejector openings, one of which is always covered by a removable strip of plastic. The rear of the stock forms the actual shoulder rest which contains the hammer unit and the end of the bolt path. The butt is closed by an endplate which is held in place by the rear sling swivel. This swivel is attached to a pin which pushes in across the butt and secures the plate. There is a cavity under the buttplate that holds a cleaning kit.



While the AUG is not fully ambidextrous, it can still be configured to be use for left- or right-handed operators by changing the bolt with one that has the extractor and ejector on the appropriate side, and moving the blanking plate to cover the ejection port not in use. However, there exists also a right-hand-only stock that allows for the use of M16 type STANAG magazines.[10][11]


The AUG's receiver may also be changed from the standard model with a carrying handle and built-in 1.5× optical sight,[12] to the "T" model receiver which has a universal scope mount to allow for the use of a variety of scopes and sights.[12] The rifle also has several different types of receivers with Picatinny rails.[13]

Firing mechanism[edit]

The AUG's firing mechanism may also be changed at will, into a variety of configurations, including semi-auto and full-auto, semi-auto and three-round-burst, semi-auto-only, or any other combination that the user may desire.[12] It may also be converted into an open-bolt full-auto-only mode of fire, which allows for improved cooling and eliminates cook off problems when the AUG is used as a light machine gun or squad automatic weapon.[12]


All AUGs are equipped with quick detachable barrels; including compact 350 mm (13.8 in) barrels, 407 mm (16.0 in) carbine barrels, 508 mm (20.0 in) standard rifle-length barrels and 621 mm (24.4 in) light machine gun barrels.[7] Rifles equipped with 508 mm (20.0 in) pattern barrels produced for military purposes are also equipped with bayonet lugs. The 407 mm (16.0 in) and 508 mm (20.0 in) barrels are capable of launching NATO STANAG type 22 mm rifle grenades from their integral flash hiders without the use of an adapter. AUG barrels can also mount 40 mmM203 or AG36grenade launchers. Steyr also offers 508 mm (20.0 in) barrel configurations fitted with a fixed, post front-sight used on the standard rifle version with aperture iron sights.[citation needed]

Military adoption[edit]

Australian military[edit]

An Australian soldier firing an EF88 Austeyr

The Australian Army adopted the Steyr AUG A1 and designated it as the F88 Austeyr. It has a cyclic rate of fire of around 680–850 rounds per minute.[14]

The Australian F88 Austeyr was tested with a new grenade launcher specifically designed for it called the ML40AUS GLA (Grenade Launcher Assembly), one of the lightest underbarrel grenade launchers at less than 1 kg (2.2 lb) due to steel, aluminium, and synthetic parts. The GLA is mounted on the rifle's bottom accessory rail with the trigger moving through a removable plug in the trigger guard that allows for operation of the launcher inside of it, moving it further back than other launchers to maintain centre of balance and improve handling. The ML40AUS differs from the M203 by having a side-opening breech to allow for longer grenade rounds, a cross-bolt safety, and a new quadrant sight that mounts to the top rail alongside the rifle's optics.[15] On 21 January 2014 however, Thales announced they had instead selected the Steyr SL40 grenade launcher due to "significant" engineering concerns with the ML40AUS. The SL40 is a derivative of the Steyr GL40 launcher designed specifically for the EF88. It weighs 1.025 kg (2.26 lb) and has a 180 mm (7.1 in) long barrel. Though marginally heavier than the ML40AUS, it has the same attachment, firing mechanism, and control layout.[16]

DSTOAdvanced Individual Combat Weapon was an experimental weapon combining the barrel, action and magazine of an F88 Austeyr with an enlarged receiver and stock/body that also incorporates a multiple-shot 40 mm grenade launcher.

  • The F88 Austeyr is the standard individual weapon of the Australia Defence Force. It is manufactured under licence from Steyr Mannlicher AG at the Thales Lithgow Small Arms Factory, which is now owned by Thales Australia. It is issued and supplied to the armed forces of Australia and New Zealand and incorporate a crosshair doughnut sight, it is also in service in 30 different countries.[14] There are changes and differences between the original Steyr AUG and the F88 Austeyr. The changes includes a bayonet lug, a 1:7 in rifling pitch as found in the M16A2 assault rifle, optimised for the heavier 62-grain NATO-standard SS109/M855 round and an "automatic lockout" trigger that can physically disable the fully automatic position of the two-stage trigger mechanism found on the standard AUG.[17] It won a competition against the prototype of what would become the Bushmaster M17S. Australian Defence Force Cadets also use this firearm for drill and training exercises.
  • The F88CAusteyr is a carbine variant of the F88 Austeyr that features a shorter 407 mm (16.0 in) barrel. It is generally used as a personal defensive weapon where manoeuvrability is an issue, such as in armoured vehicles.
  • The F88SA1 Austeyr is a variant of the F88 Austeyr with an integrated Picatinny rail in place of the standard optical sight that allows the attachment of various other sighting devices (night vision scopes, magnified and non-magnified optics such as the ELCAN C79, Trijicon ACOG or Aimpoint).
  • The F88SA1CAusteyr is a compact variant of the F88 Austeyr fitted with a Picatinny rail. The rifle has a 407 mm (16.0 in) barrel. Typically issued to front-line combat infantry units with room and weight constraints such as cavalry, Military Police, reconnaissance, light horse, paratroopers and airfield defence guards (RAAF).
  • The F88 GLAAusteyr is a variant is for the Australian Army with an M203 grenade launcher. It features an Inter-bar (armourer attached) interface, an RM Equipment M203PI grenade launcher, and a Knight's Armament quadrant sight assembly to which a Firepoint red dot sight is attached. The bayonet lug and forward vertical grip are not present in this model.
  • The F88T is a training rifle that is chambered in .22 Long Rifle cartridge developed by ADI, to be used by the Australian Army, Australian Army Cadets, Australian Air Force Cadets and Australian Navy Cadets. The rifle provides an economical training alternative, with very low ammunition cost, which can be used in environmentally sensitive training areas and ranges where "overshooting" is an issue, and there is a lower risk of injuring instructors and other persons.[18]
  • The F88SA2Austeyr is an evolutionary upgrade of the current rifle to fulfil an operational capability gap. Deliveries of several thousand were completed in late-2009 to selected units for overseas service. (Afghanistan) Technical improvements in the F88S-A2 include: Modified gas system for increased reliability and increased interoperability with U.S ammo. An enlarged ejection port. A longer Picatinny Rail on top of the weapon, a modified sight housing, a side rail mount for a torch and Night Aiming Device (NAD). The colour of the barrel, sight and barrel assembly has been changed to khaki to reduce the recognition signature.[19]

Lithgow F90[edit]

The LithgowF90 was officially adopted by the Australian Defence Force in 2015, it was then designated as the Enhanced F88 (EF88) Austeyr. Its nominal cyclic rate of fire is 740 rounds per minute. The EF88 is part of the LAND 125 Soldier Combat System project and is a significant upgrade to the F88SA2. It was developed and produced at the Australian Defence Industries factory in Lithgow Small Arms Factory, which is now owned by Thales Australia to fulfil current and near future requirements for the Australian Defence Force. It was first displayed to the public in the middle of 2012 and the initial production was scheduled for 2013, its final design and testing ended later on that year.[20] Internally and externally the EF88 is still similar to the Steyr AUG, although it has received many distinctive upgrades and changes. Upgrades include the following:

1. Length of pull has been shortened by 15 mm. (The distance between the stock backplate and the grip; too long and it becomes difficult to handle on close quarters)
2. Longer top rail and a modular lower forend with side and bottom rails.
3. Floating barrel which increases accuracy.
4. Fluted barrel which dissipates heat from automatic fire.
5. Folding charging handle.
6. Improved butt design which has increased strength and a recessed ejection port cover to improve reliability.
7. Bolt-together butt for easier disassembly.
8. Provision for electronic architecture to allow centralised control and power management of ancillary devices.
9. Primarily uses the side-loading grenade launcher (Steyr-Mannlicher SL40) which can fire all currently available 40 mm low velocity grenades.
10. Improved grenade launcher mount which improves the balance of the weapon.
11. Improved grenade launcher safety, the new KORD RIC (Rifle Input Control) electronic control system made by Thales will also be integrated into the rifle.[19][21][22]

In June 2012, Thales debuted the F90 at the Eurosatory military exhibition in Paris. Key additions include a bottom rail and a detachable side rail, optional compatibility with STANAG magazines (F90MBR), weight savings over the F88SA2 with a base weight of 3.25 kg (7 lb) and the large trigger guard has been reshaped to serve as a vertical foregrip. Thales in partnership with Steyr-Mannlicher are pursuing small arms procurement programs such as the planned replacement of FAMAS used by the French military.[23] Low Rate Initial Production of the F90 began in September 2014.[24] Dasan Manufacturing will be licensed to manufacture them in an effort to bid them to the South Korean military for future replacements of the Daewoo K2.[25] At the Defexpo 2018 convention, MKU has Indian licensing rights to manufacture the F90 for Indian contracts.[26] In April 2019, the F90CQB variant was planned to be submitted in conjunction with the Kalyani Group for Indian Army requirements on a 5.56 mm NATO carbine.[27] As of April 2020, Bharat Forge is Thales' partner to manufacture the F90.[28]

Lithgow Arms offers the F90 in three different barrel lengths: 360 mm (14 in), 407 mm (16 in), and 508 mm (20 in). The rifle can also be fitted with the SL40 underbarrel grenade launcher.

F90 ATRAX is a planned semi-automatic only variant of the F90 intended for the American civilian market.[29] It was announced by Thales that plans to release the rifle will be discontinued for "ethical reasons."[30]

Austrian military[edit]

Austrianspecial forces soldiers during a training exercise with the AUG

The Austrian Army adopted the Steyr AUG in 1978 and designated it as the Sturmgewehr 77 (StG 77).

  • The StG 77 is the Austrian Army's designation for the Steyr AUG.
  • The StG 77 A2 is the Austrian Army's designation for the Steyr AUG A3 SF. It was adopted by the Austrian Special Forces (Jagdkommando) in late 2007.[31]
  • The StG 77 KPE is the Austrian Army's designation for an upgraded StG 77. Where the A1 housing group was replaced with the A3 SF housing and was adopted in 2017.
  • The StG 77 A1 MP is the Austrian Army designation for the StG 77 used by military police. The rifles differ from the standard StG 77 by having a Picatinny rail for an Aimpoint Micro T1 Red Dot Sight and magnifier, a flash hider from Ase-Utra, and Rheinmetall Vario Ray laser and light module mounted on the right side. Adopted in 2018.

Irish military[edit]

The Steyr AUG Mod 14 is an AUG A1 upgraded by the Irish Army, which was possible due to the modularity of the rifle.[32] It allowed the Irish Army to make modernisation upgrades. They replaced the original A1 housing/receiver group (with 1.5× optical sight) with an A3 housing/receiver group (with MIL-STD-1913 Picatinny rail on top and right side) allowing a modern optical sight to be fitted..[32] The Trijicon ACOG 4× sight was selected as the new optical sight of the rifle.[32] The rifle features the ALO "automatic lockout" trigger, which can also be found in the Australian and New Zealand versions. In 2014, they began issuing the rifle to its operational units.[citation needed]

New Zealand military[edit]

The New Zealand Defence Force had adopted the F88 Austeyr and designated it as the IW Steyr (Individual Weapon Steyr). However the New Zealand Defence Force has since adopted the Lewis Machine and Tool, Mars-L 5.56mm rifle and phased out the IW Steyr.[33] New Zealand variants of the Steyr were equipped with a single-stage trigger and a two-position safety. The sight added a crosshair to the circle reticule. New Zealand issued both factory and locally-modified carbines alongside the full-length rifle variant.[citation needed]



A left-side view of the Steyr AUG A1 with a 407 mm (16.0 in) barrel.

The Steyr AUG is a bullpupassault rifle chambered in 5.56×45mm NATO. It was introduced in 1978 and was adopted by the Austrian Army and was designated as the StG 77 in 1978, then it was later adopted by several military agencies around the world.

  • The Steyr AUG A1 is an improved variant of the AUG and was introduced in 1982. It is available with a choice of olive or black furniture.[34]
  • The SteyrAUG M203 is an AUG A1 fitted with the M203 grenade launcher.
  • The Steyr AUG AG-C is an AUG A1 fitted with the AG-C grenade launcher.
  • The Steyr AUG A2 features a redesigned charging handle and a detachable telescopic sight which can be replaced with a MIL-STD-1913 rail.[34] Due to its modularity, a 24-inch barrel can be used and a Picatinny rail section can be fitted instead of the folding grip, where a bipod can be installed.[35] The rifle was introduced in December 1997.
  • The Steyr AUG A3 features a MIL-STD-1913 rail on top of the receiver and an external bolt release.[36]
  • The Steyr AUG A3 SF features an MIL-STD-1913 rails mounted on the telescopic sight and on the right side of the receiver, and includes an external bolt release.[37] The integrated telescopic sight is offered in 1.5× or 3× magnification.
  • The Steyr AUG A3-CQC was a prototype development of the AUG A3 and was first displayed by Steyr at the SHOT Show 2006. It differs in having a railed handguard attached ahead of the receiver. Due to the need to remove this extra railed section in order to strip the rifle for cleaning, it featured a quick detach lever mounted on the left side to remove the rail. Due to the concerns over the extra cost and weight, along with potential issues with the reliability and consistency of the detachable handguard, the prototypes received little interest and were last seen promoted by Steyr in 2008 and likely has been cancelled. In total only 5 prototypes were made, four with standard 18-inch barrels, and one with a longer heavy marksman barrel and a 20-round magazine. In 2012 the American company PJA obtained the 5 original prototypes from Steyr and reverse engineered them in order to produce a US-made AUG A3-CQC and conversion kits.[citation needed]

AUG HBAR[edit]

The Steyr AUG HBAR (Heavy Barreled Automatic Rifle) is a longer heavier-barreled variant of the standard AUG for use as a light machine gun or squad automatic weapon. Its telescoping sight has a 4× magnification rather than the 1.5× magnification of the standard AUG. It can be modified to fire from an open bolt to allow sustained fire. To accomplish this, a modified bolt carrier, striker and trigger mechanism with sear are used.

  • The Steyr AUG HBAR-T (Heavy Barreled Automatic Rifle-Telescope) is a designated marksman configuration of the HBAR that features a special receiver fitted with a Kahles ZF69 6×42 optical sight.

AUG Para[edit]

A left-side view of the Steyr AUG Para.

The Steyr AUG Para also known as the AUG SMG or AUG 9mm, is a submachine gun variant of the AUG chambered in 9×19mm Parabellum cartridge and has been produced since 1988.[1] It differs from the rifle variants by having a different barrel, bolt and magazine. It is an automatic, blowback-operated model that fires from a closed bolt, and does not use of the rifle's gas system.[38] Unlike the rifle variants, it has a unique 420 mm (16.5 in) barrel with six right-hand grooves at a 250 mm (1:9.8 in) rifling twist rate, with a recoil compensator, a slightly different charging handle and a magazine well adapter enabling the use of standard 25-round box magazines from the Steyr MPi 69 and TMP submachine guns.[39] A conversion kit used to transform any assault rifle configuration into the submachine gun configuration is also available. The conversion kit consists of a barrel, bolt, adapter insert and magazine.

  • The Steyr AUG A3 Para XS is a 9mm variant of the AUG A3. It features a 325 mm (12.8 in) barrel and a Picatinny rail system.[40]
  • The Steyr AUG 40 is a .40 S&W variant of the AUG Para that uses Glock compatible double stack .40 S&W magazines.

Civilian variants[edit]

  • The Steyr AUG P is a semi-automatic only variant of the AUG A1, available to the civilian and law enforcement markets. It features a shorter, 407 mm (16.0 in) barrel and a modified bolt, carrier and trigger assembly that will only allow semi-automatic fire. The rifle also has a slightly different optical sight that features a reticule with a fine dot in the centre of the aiming circle, allowing for more precise aiming.
  • The Steyr AUG P Special Receiver is similar to the AUG P but features a MIL-STD-1913 rail on top of the receiver.
  • The Steyr AUG SA is a semi-automatic only variant of the AUG A1; built for civilian use and import to the US before being banned from importation in 1989.
  • The Steyr AUG Z is a semi-automatic only variant in compliance with Austrian weapon laws, somewhat similar to the AUG A2 but lacking the quick detachable barrels and is unable to accept the trigger group from the assault rifles. It is intended primarily for civilian use.[41]
  • The Steyr AUG Z Sport is a semi-automatic only variant, somewhat similar to the AUG Z for use in sport shooting approved by the BKA in Germany. This variant has a special handguard without the typical front grip.[42]
  • The Steyr AUG Z A3 is a semi-automatic only variant of the AUG Z similar to the AUG A3, and was introduced in 2010.
  • The Steyr AUG Z A3 9mm is a semi-automatic only 9×19mm Parabellum variant of the AUG Z A3.
  • The Steyr AUG Z A3 SE is a semi-automatic only variant of the AUG Z similar to the AUG A3 SF.
  • The Steyr USR is an AUG A2 modified to meet the former Federal Assault Weapons Ban (AWB) (or Public Safety and Recreational Firearms Use Protection Act) regulations. The primary difference is the omission of the flash hider.
  • The Steyr AUG A3 SA USA is a semi-automatic only variant of the AUG A3 with a 407 mm (16.0 in) barrel, made available for the U.S. civilian market in April 2009.[43][44]
  • The Steyr AUG A3 SA NATO: Similar to the AUG A3 SA USA but uses a right-hand-only, NATOSTANAG magazine stock assembly.[10][11]
  • The Steyr AUG A3 M1 is a semi-automatic only variant of the AUG A3 SF with a detachable optical sight which can be replaced with MIL-STD-1913 rails, manufactured in the US by Steyr Arms since October 2014.[45]
  • The Steyr AUG SPR is a straight pull only configuration, somewhat similar to the AUG A2 and is intended primarily for civilian use.

AUG clones[edit]

  • The STG-556 was introduced at the 2007 SHOT Show, the MSAR STG-556 was manufactured by Microtech Small Arms Research Inc. (a subsidiary of Microtech Knives) an AUG A1 clone significantly re-engineered in its working system and principle as it features a bolt hold-open device as seen on the M16 rifle; otherwise the MSAR STG-556 retains the original AUG features, such as feeding from proprietary translucent plastic magazines and having the quick-change barrel option. The STG-556 can be converted from either having a telescopic sight or a MIL-STD-1913 rail. It is available in either civilian (semi-automatic only) configuration, and military and law enforcement (selective fire) configuration.[9][46]
  • The AXR was revealed at the 2007 SHOT Show, the TPD USA AXR was manufactured by Tactical Products Design Inc. as an AUG A2 clone capable of semi-automatic only fire, aimed for both the civilian and law enforcement markets, and fed by STANAG magazines; the manufacturer sells clear plastic magazines which are STANAG 4179 compliant and will readily fit in any rifle with a compatible magazine catch.[47] The rifle does not have the integral scope, allowing users to use any kind of scopes or laser sights on the Picatinny railing.[48]
  • The Type 68[49][50] is a Taiwanese copy of the AUG with notable differences including a smaller trigger guard and the use of iron sights instead of the original's telescopic sight (although optical sights can still be optionally mounted on the carrying handle). Developed as a potential alternative to the T65 assault rifle and (in the form of a heavy-barrel variant) replacement to the Type 57A squad automatic rifle (licence-built selective fire M14A1), it ultimately did not enter service after the ROC military decided to adopt light machineguns (Minimi and T75) as their future squad automatic weapons.[51][52][53][54]


The Steyr AUG has been used in the following conflicts:


Map of Steyr AUG operators.


  •  Algeria: Special Intervention Detachment[60]
  •  Argentina: Argentine Armed Forces.[61]
  •  Australia: A variant, the Austeyr F88, is the standard rifle of the Australian Defence Force. It is manufactured, under licence from Steyr-Mannlicher, by Thales Australia.[62] The Austeyr entered service in January 1989, replacing both the M16A1 and the L1A1 Self Loading Rifle used by the Australian Army.[63][failed verification] The first regular unit to be issued with the Austeyr was 6 RAR, which received them in January 1989.
  •  Austria: Standard weapon of the Bundesheer, serving as the StG 77 in official army nomenclature.[4]
  •  Bangladesh[64]
  •  Bolivia[49]
  •  Central African Republic[65]
  •  Croatia: Used by the Croatian Special Forces.[66]
  •  Djibouti[67]
  •  Ecuador[49]
  •  Gambia[49]
  •  Indonesia: Polri 's BRIMOB, Komando Pasukan Katak (Kopaska) tactical diver group and Komando Pasukan Khusus (Kopassus) special forces group.[68]
  •  Ireland: Standard service rifle of the Irish Defence Forces. The Army Ranger Wing special forces uses the Steyr AUG A2 and A3.[69][70][71]
  •  Italy: Carabinieri Special Forces: Gruppo di Intervento Speciale and 1st "Tuscania" Regiment[72]
  •  Luxembourg: Standard infantry rifle of the Luxembourg Army. The HBAR variant is also employed as the section support weapon.[73]
  •  Malaysia: Made under license from Steyr by SME Ordnance.[74] Local production of the AUG rifle series started in 1991[75] with a joint production with Steyr that started in 2004.[76][77] Lawsuits from Steyr emerged when Malaysia decided to withdraw from joint production.[78]
  •  Morocco[49][67]
  •  New Zealand: Used from 1988 until 2019. The first 5,000 weapons delivered were manufactured in Austria by Steyr Daimler Puch. Latter versions were the Australian ADI-made Austeyr F88 variant, locally designated IW Steyr (Individual Weapon Steyr.)[79] From August 2015 the Lewis Machine Tools 5.56 mm MARS-L started to replaced the Steyr AUG.[80]
  •  Oman[49][71]
  •  Papua New Guinea: F88 variant.[49]
  •  Philippines: Used by the Scout Rangers.[81]
  •  Poland: JW Gromspecial forces group.[82][83]
  •  Saudi Arabia[67][71]
  •  Serbia: 72nd Reconnaissance-Commando Battalion.[66]
  •  Taiwan[49]
  •  Tunisia: The Steyr AUG has been the primary weapon of the Tunisian Army since 1978. The first regular unit to be issued with the AUG A1 was the GTS. Subsequently the leadership began arming the National Guard with Sturmgewehr 58 (FN FAL) and the army with the AUG A1/A2/A3 variants, including the Army's Special Forces.[49][71]
  •  Turkey: Maroon Berets.[84]
  •  Ukraine: AUG H-BAR is used by the Sokil Special Forces.[85]
  •  United Kingdom
  •  Uruguay: Received 15,000 Steyr AUG A2UR bullpup assault rifles (with the 1.5× telescopic sight) to be used by the Uruguayan infantry battalions.[87]



See also[edit]


  1. ^ abcdefghijklmHogg, Ian (2002). Jane's Guns Recognition Guide. Jane's Recognition Guides. Glasgow: Jane's Information Group and Collins Press. ISBN .
  2. ^"[IDEX 2019] Steyr AUG .300 BLK and STM556 from Austria -". 4 March 2019.
  3. ^"STEYR AUG A1 / A2"(PDF). Archived from the original(PDF) on 30 April 2012. Retrieved 14 November 2014.
  4. ^ abBMLVS – Abteilung Kommunikation – Referat 3. "Bundesheer".
  5. ^Ezell (1993) p. 223
  6. ^"Steyr AUG A3: The Incomparable, Futuristic Carbine". RECOIL.
  7. ^ abcdefghEzell(1993) p. 224
  8. ^Manual of the Steyr rifle, Irish Defence Forces
  9. ^ abcChoat, Chris (March 2008). "Microtech's STG-556 An Exclusive First Look". The Small Arms Review. 11 (6): 43–50.
  10. ^ ab
  11. ^ ab"Steyr AUG NATO Conversion kit – AUG Accessories – Accessories". Retrieved 14 November 2014.[permanent dead link]
  12. ^ abcdJane's Guns Recognition Guide, Ian Hogg & Terry Gander, HarperCollins Publisher, 2005, pp. 273 and 361
  13. ^"Steyr AUG A3 M1". Archived from the original on 10 February 2017. Retrieved 11 August 2016.
  14. ^ abNavy, corporateName=Royal Australian. "F88 Austeyr". Retrieved 23 June 2017.
  15. ^Testing & Evaluating the EF88 Assault Rifle –, 4 March 2013
  16. ^Thales selects Steyr SL40 grenade launcher for EF88 –, 21 January 2014
  17. ^ChrisBurritt (21 September 2016). "F88 Austeyr – F88A2 with ring sight and F88A2 with ACOG RMR and GLA". Retrieved 23 June 2017.
  18. ^"Steyr". Archived from the original on 7 June 2008. Retrieved 21 May 2017.
  19. ^ ab"Improving In-Service Small Arms Systems: An Australian Experience"(PDF). Defence Material Organisation. 1 June 2011. Archived from the original(PDF) on 20 October 2016. Retrieved 12 August 2016.
  20. ^"Modern Firearms – Thales EF88 / F90 assault rifle (Australia)". 14 February 2013. Retrieved 22 June 2017.
  21. ^"EF88 Rail Configuration". Retrieved 14 November 2014.
  22. ^"Australia's Next Generation Rifle". Indian Defence Forum. Retrieved 19 June 2016.[permanent dead link]
  23. ^"Thales debuts new assault rifle – the F90". Press release. Thales. 11 June 2012. Archived from the original on 3 February 2013. Retrieved 11 June 2012.
  24. ^Thales Australia F90 assault rifle to enter low rate initial production –, 24 September 2014
  25. ^"ADEX 2015". Small Arms Defense Journal. Retrieved 21 May 2017.
  26. ^"Thales and MKU have signed MoU to produce F90 assault rifle in India". Army Recognition. Retrieved 11 May 2021.
  27. ^"Thales Partner with Kalyani for Indian Army Carbine Competition". The Firearm Blog. 15 April 2019. Retrieved 11 May 2021.
  28. ^"ENHANCING THE AUSTEYR AUSTRALIA DEFENCE FORCE'S EF88/F90 RIFLE". Small Arms Defense Journal. Retrieved 11 May 2021.
  29. ^"[SHOT 2018] Lithgow Atrax IN PRODUCTION in USA Now". The Firearm Blog. Retrieved 22 May 2018.
  30. ^"Thales Cancels Plans To Sell Atrax Bullpup Rifle On US Civilian Market". The Firearm Blog. 10 April 2019. Retrieved 11 May 2021.
  31. ^"Steyr AUG A2 Commando". Retrieved 14 November 2014.
  32. ^ abc"Platoon Weapons". Irish Defence Forces. Retrieved 11 May 2021.
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  34. ^ ab"Steyr AUG A1 / A2". Steyr Mannlicher. Archived from the original(PDF) on 13 July 2009. Retrieved 4 June 2009.
  35. ^"Archived copy". Archived from the original on 24 April 2017. Retrieved 3 January 2018.CS1 maint: archived copy as title (link)
  36. ^"Steyr AUG A3". Steyr Mannlicher. Archived from the original(PDF) on 13 July 2009. Retrieved 4 June 2009.
  37. ^"Steyr AUG A3 SF". Steyr Mannlicher. Archived from the original(PDF) on 13 July 2009. Retrieved 4 June 2009.
  38. ^"Steyr AUG 9mm". Steyr Mannlicher. Archived from the original(PDF) on 13 July 2009. Retrieved 4 June 2009.
  39. ^"AUG 9mm". REMTEK. Archived from the original on 14 July 2009. Retrieved 4 June 2009.[self-published source]
  40. ^"Steyr AUG A3 9mm XS". Steyr Mannlicher. Archived from the original(PDF) on 13 July 2009. Retrieved 4 June 2009.
  41. ^"Parlamentarische Anfragebeantwortung 3599/AB XXII. GP". Österreichisches Parlament (in German). Österreichisches Parlament. Retrieved 14 January 2021.
  42. ^"Feststellungsbescheid vom 12.02.2010"(PDF). BKA - Homepage (in German). Bundeskriminalamt. Retrieved 14 January 2021.
  43. ^"Steyr AUG/A3 SA USA". Steyr Mannlicher US. Steyr Mannlicher. Retrieved 4 June 2009.
  44. ^"Steyr AUG/A3 USA".
  45. ^"Hunter Outdoor Communications". Retrieved 14 November 2014.
  46. ^"MSAR – Microtech Small Arms Research Inc". Microtech Small Arms Research. Retrieved 12 October 2007.
  47. ^TPD-USA – Tactical Products Design Inc.Archived 17 October 2007 at the Wayback Machine Retrieved on 12 October 2007.
  48. ^Modern Firearms' TPD AXR Rifle. Retrieved on 03 August2019.
  49. ^ abcdefghiJones, Richard D. Jane's Infantry Weapons 2009/2010. Jane's Information Group; 35 edition (27 January 2009). ISBN 978-0-7106-2869-5.
  50. ^Kemp, Ian (2009). "A New 5.56mm Generation or a Changing of the Guard?"(PDF). – Asian Military Review. Archived from the original(PDF) on 7 July 2011. Retrieved 18 April 2010.
  51. ^Military Hardware of R.O.C. Armed Forces, Land-based Systems (國軍武裝報告書(下)/陸上系統篇). 雲皓出版社; 1st Edition (January 1998). ISBN 957-8902-22-0.
  52. ^"二○二兵工廠兵器館巡禮". Retrieved 14 November 2014.
  53. ^"國造68式步槍—意外與尷尬(上)". Retrieved 7 January 2020.
  54. ^"國造68式步槍—意外與尷尬(下)". Retrieved 7 January 2020.
  55. ^Rottman, Gordon L. (1993). Armies of the Gulf War. Elite 45. Osprey Publishing. p. 58. ISBN .
  56. ^1 RAR Battlion Group Post Operational Report(PDF) (Report).
  57. ^Small Arms Survey (2008). "Arsenals Adrift: Arms and Ammunition Diversion". Small Arms Survey 2008: Risk and Resilience. Cambridge University Press. p. 54. ISBN . Archived from the original(PDF) on 30 August 2018. Retrieved 30 August 2018.
  58. ^Karouny, Mariam. "Syria rebels bolstered by new arms but divisions remain". Reuters. Retrieved 10 February 2019.
  59. ^"Impact of War on Children in Yemen. Report by ABC correspondent". Eye on Yemen War. 20 October 2016. Retrieved 28 June 2017 – via YouTube.
  60. ^Vivenot, Emmanuel (March 2013). "Prise d'otages massive au Sahara". RAIDS (in French). No. 322. Histoire & Collections. p. 56. ISSN 0769-4814.
  61. ^"ADM: Land Warfare – Austeyr: Small arms big business – ADM Oct 08". Retrieved 14 November 2014.
  62. ^"Steyr". Archived from the original on 7 June 2008. Retrieved 21 May 2017.
  63. ^"F88 AUSteyr – Army Internet – ARMY". 14 July 2009. Archived from the original on 9 November 2009. Retrieved 17 November 2009.
  64. ^"SALW Guide Global distribution and visual identification Bangladesh Country report"(PDF). Bonn International Center for Conversion. Retrieved 3 September 2019.
  65. ^Letter dated 26 June 2014 from the Panel of Experts on the Central African Republic established pursuant to Security Council resolution 2127 (2013) addressed to the President of the Security Council(PDF). 1 July 2014. p. 81.
  66. ^ ab"The STEYR AUG A3 SF". Tactical Life. Retrieved 14 November 2014.
  67. ^ abcKokalis, Peter (February 1985). "STEYR AUG; This Bullpup's No Dog". Soldier of Fortune magazine. Archived from the original on 2 March 2009. Retrieved 17 November 2009.
  68. ^"Kopassus & Kopaska – Specijalne Postrojbe Republike Indonezije" (in Croatian). Hrvatski Vojnik Magazine. Archived from the original on 28 October 2012. Retrieved 12 June 2010.
  69. ^"Defence Forces – Army Steyr Assault Rifle". Archived from the original on 16 October 2007. Retrieved 21 May 2017.
  70. ^"Steyr AUG (Armee Universal Gewehr – Universal Army Gun)". Archived from the original on 17 October 2015. Retrieved 14 November 2014.
  71. ^ abcd"Steyr Mannlicher US: Our History". Archived from the original on 12 December 2009. Retrieved 17 November 2009.
  72. ^FireArm Training System. "Militaria – Corpi Elite (12)". Retrieved 17 November 2009.
  73. ^"Lëtzebuerger Arméi – Matériel – Armement". Archived from the original on 13 September 2009. Retrieved 21 May 2017.
  74. ^"SME Ordnance SDN BHD Products & Services". Archived from the original on 23 November 2010. Retrieved 22 March 2010.
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                (15 items that are most prone to wear and breakage) 
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  • 16" AUG Blank Firing Adapter  Pic
  • 24" AUG Blank Firing Adapter & Gas Plug  Pic
  • $30 Steyr AUG/USR Factory Green Slings  Pic
  • $30 Steyr AUG/USR Factory Black Slings  Pic
  • Steyr AUG/USR Factory Brass Catcher  Pic
  • Steyr AUG/USR Factory Cleaning Kits  Pic
  • $40 Steyr AUG 9mm Factory Cleaning Kits  Pic
  • $8 Steyr AUG Stock Cleaning Kit Covers  Pic
  • Steyr AUG A2/USR Factory Sight Tools  Pic
  • Steyr AUG/A2 USR Picatinny Rails  Pic
  • Lens caps ( 2 piece )  Pic
  • Factory Steyr AUG 9mm Flashiders  Pic
  • Factory Steyr AUG 9mm Magazine Loader  Pic
  • $10 Steyr AUG-P Black 16" -- Jacket Patch  Pic
  • Steyr AUG A1/A2 Factory Manuals  Pic 
  • $20 Steyr AUG Factory Test Targets  Pic 
  • Steyr AUG A3 1.5 Scope Assembly Pic
  • ** All New ** Steyr AUG A3 3x Scope Assembly Pic 
  • $500 Steyr AUG A2/USR Scope Assembly
  • Steyr AUG A3/M1 Skinny STG77 Scope Assembly 
  • Steyr AUG A3/M1 1.5 Scope
  • Steyr AUG A3/M1 Extended Long Rail 
  • Steyr AUG A3/M1 High Rail
Steyr AUG Complete Rifle Parts Kits Minus Receiver
$out - AUG A3/M1 Black 16" Parts Kit "New" 
Time To Upgrade Your A1/A2 AUG 
Complete A3 Stock, Hammer Pack, Barrel & Complete Bolt Carrier Group
Just Drop In Your AUG A1 / A2 Or USR Receiver And You Are ready To Shoot 
Steyr AUG Parts Page Was Updated: October 11, 2021
Please call or email if you don't see a part listed that you need
We stock all small replacement/spare parts for the Steyr AUG & USR
29 years providing you with all your Steyr AUG Parts needs!
Steyr AUG Parts Page Was Updated: October 11, 2021
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Steyr SSG Picatinny Rail

The STEYR AUG is a gas operated (short stroke piston) semi and fully automatic assault rifle with rotary bolt, quick changeable barrel and integrated optical sight. The “Bullpup“ design makes it a short, well-balanced rifle with high reliability and accuracy.
The AUG is famous for its modular concept which permits field stripping into the main groups within a few seconds.
The AUG is the standard weapon of many Armed Forces and Special Units all over the world since 1977.

  • “Bullpup“ design – short overall length
  • Quick change of different barrels
  • High versatility
  • Optical sight with ring reticle
  • Extremely high hit probability
  • Utmost training simplicity
  • Highest operational versatility
  • Various FX Systems available


STEYR AUG A1 with 417mm barrel

STEYR AUG A1 with 508mm barrel




With 382mm (15″) barrel: 690mm (27″)
With 417mm (16”) barrel: 725mm (29”)
With 508mm (20”) barrel: 790mm (31”)


382mm (15″)
417mm (16”)
508mm (20”)


With 382mm (15″) 3.2 kg / 7.0 lbs
With 417mm (16”) 3,3 kg / 7,3 lbs
With 508mm (20”) 3,6 kg / 7,9 lbs


Detachable, synthetic (transparent) staggered box type.


9 rounds, 30 rounds, 42 rounds (optional)


„Pull through“ trigger system. Fires semi automatic when pulled halfway to a clearly felt point, fires fully automatic when pulled fully back.


3 position safety,
Lateral push-through type locks trigger


Synthetic, olive or black. Optional stock group for NATO magazines.


Stock steyr aug full auto

1. TERMS & CONDITIONS OF SALE. The following conditions of sale make up the entire terms and conditions on which items listed in Rock Island Auction Company’s (known hereafter as “RIAC”) catalog, on the internet web site and addendum sheets will be offered for sale or sold by RIAC. All bidders who participate by bidding in this auction agree to the terms and conditions of sale and agree to be bound by same. Any notices, posted or oral, during the sale, are also part of our terms and conditions of sale agreement. Acceptance of a bidder card or a bidder number constitutes acceptance of the following terms and conditions of sale. The purchaser’s rights and RIAC’s respective rights and obligations hereunder are governed by Illinois law. By bidding at RIAC’s auction, whether in person or by agent, sealed bid, telephone bid, via the internet or other means, the purchaser or bidder agrees that the contract created by these terms and conditions of sale is made and performed in the County of Rock Island, State of Illinois and further agrees that should any dispute arise from this contract the sole and exclusive jurisdiction for contractual disputes is Rock Island County, State of Illinois. THE AUCTIONEER IS NOT RESPONSIBLE FOR ANY ERRORS OF THE PURCHASER INCLUDING BUT NOT LIMITED TO THE PURCHASER BIDDING ON THE WRONG LOT.

2. BUYER”S PREMIUM. All bid prices “hammer prices” (“hammer prices” mean the price at which a lot is knocked down to the purchaser) will be subject to a buyer’s premium 18.5% payable by the purchaser. The buyer’s premium shall be reduced to 15% provided the payment is paid by cash or the equivalent of cash (cashier’s check, wire transfer, or approved personal check). If the account is settled by credit card, the buyer’s premium then shall be the standard 18.5%. This is not an aggregate percentage on the total items bid, but rather a per item percentage rate. In addition, if the purchaser utilizes RIAC’s live bidding platform ‘RIAC Live’, there will be an additional 1% of the hammer price added to the buyer’s premium. The premium, which includes the additional 1% if the purchaser utilizes RIAC’s live bidding platform ‘RIAC Live’, is added to the purchaser’s successful bid and the two together equal the total purchase price. RIAC has been authorized by the consignor to retain as part of RIAC’s remuneration, the buyer’s premium, which includes the additional 1% of the hammer price if the purchaser utilizes RIAC’s live bidding platform ‘RIAC Live’, payable by the purchaser.


RIAC is a Marketplace Facilitator (as defined in the applicable regulations for each state) for purposes of collecting and submitting sales tax for each applicable state.  A Marketplace Facilitator is a business that contracts with sellers to facilitate the sale of tangible goods and administers all aspects of the transaction.  A Marketplace Facilitator is required to collect sales tax from the buyer and remit such sales tax to the state to which the items are shipped.  The sale tax is based on the ship to address.  If the item is picked-up from the RIAC facility or shipped to an Illinois address, Illinois sales tax of 8.5% will be collected.  Generally, all items included on the invoice are taxable.

To establish a tax free sale, a copy of a valid reseller’s permit or other instrument or information establishing a sales tax exemption, as required by the applicable state, must be provided to RIAC’s satisfaction. Please refer to our website,, for additional information regarding resale certificates.  Any purchaser claiming a sales tax exemption yet unable to provide satisfactory proof to RIAC at the time of payment will be required to pay the applicable tax to RIAC and thereafter seek a refund from the applicable state. Buyer agrees to pay RIAC the actual amount of tax due if the incorrect amount of sales tax was collected at the time of purchase for any reason.

Sales tax is required to be collected and remitted in all states except the following:

States with no sales tax: Alaska (certain cities, counties and boroughs require RIAC to collect sales tax), Delaware, Montana, New Hampshire and Oregon.

State with no sales tax for Marketplace Facilitators: Missouri (Prior to 1/1/2023) .

Other:  District of Columbia (DC)-RIAC does not meet the thresholds to require the collection of sales tax.

4. METHOD OF PAYMENT. Auction sales are strictly for cash, cashier’s check, personal checks (with prior approval of RIAC’s management), MasterCard, Visa, AMEX or Discover. NOTE TO FOREIGN BUYERS: Method of payment will be U.S. currency, certified check drawn on an American bank or wire transfer.

5. TERMS OF PAYMENT. At the announcement of “SOLD”, the highest bidder will have purchased the offered lot. All sales are final at the fall of the Auctioneer’s hammer or at the announcement of “SOLD”. The purchase is subject to all the terms and conditions set forth herein. The purchaser assumes full responsibility thereof and if requested will sign a confirmation of the purchase. The purchaser further agrees to pay the Total Amount Due. The Total Amount Due must be paid in full the day of sale if attending in person, otherwise upon receipt of the buyer’s invoice. All property must be removed from RIAC’s premises at the purchaser’s expense no later than 5:00 p.m. five days following the date of sale unless otherwise agreed. If the property is not removed within five days following the date of sale, it will be stored at RIAC’s facility at a cost of $50 per month. The purchaser will then be unable to pick up the purchased lots until the storage fees are paid to RIAC. If the purchased lots are not picked up and storage fees paid to RIAC, the items will be sold pursuant to the Illinois Labor and Storage Lien Act, 770 ILCS 45/0.01 et seq. and/or 770 ILCS 50/0.01 et seq.

Each purchaser at this auction grants RIAC a security interest in the property purchased. Any of the purchaser’s property and all monies held or received by RIAC on the purchaser’s behalf will be retained as collateral security for the purchaser’s obligations to RIAC. RIAC may apply against such obligations monies held or received by RIAC for the account of, or owing to, the purchaser. RIAC retains all rights of a secured party under the Illinois Commercial Code. Whenever the purchaser pays only a part of the Total Amount Owed for one or more lots purchased, RIAC may apply such payments, at RIAC’s sole discretion, to the lot or lots RIAC chooses. Payment will not be deemed made in full until RIAC has collected the Total Amount Due in cash or good funds. RIAC has the sole discretion to determine what is considered good funds. In the event Purchaser pays by check and the check is returned due to insufficient funds, stopped payment, closed account, or for any other reason, and Purchaser already has possession of the property, such possession of the property will be deemed theft by deception and/or theft under 18 U.S.C. § 922(u), which may result In penalties of a fine of up to $250,000, imprisonment in federal prison for up to 10 years, or both. In addition to remedies available to RIAC and the consignor by law, if the purchaser does not comply with the terms and conditions of sale (this includes but is not limited to payment in full of the Total Amount Due), RIAC, at its option, may either: (1) cancel the sale and retain as liquidated damages all payments made by the purchaser; or (2) resell the property either publically or privately, and in such an event the purchaser shall be liable for the payment of the deficiency, plus all costs and expenses of both sales and RIAC’s commission for both sales at RIAC’s standard rates, as well as any other damages, including but not limited to loss of profits. The purchaser hereby waives any and all notices of disposition of collateral and sale required under the Illinois Commercial Code. The purchaser is also responsible for all other charges due hereunder, in addition to any attorney’s fees incurred by RIAC, incidental damages, and any other damages incurred by RIAC.

6. INTEREST AND DEFAULT. Payment of the Total Amount Due is due upon receipt of the buyer’s invoice. If the amount noted within the buyer’s invoice is not paid in full within 15 days of the auction, RIAC has the right and will charge the purchaser’s credit card of record on file for the total invoice amount. Interest will be charged on all unpaid balances at the rate of 1-1/2% per month (18% APR), or the highest allowable rate under Illinois law, whichever is lower, beginning 15 days after the date of purchase/auction. The purchaser acknowledges that should the purchaser not comply with any of the terms and conditions of sale, including payment of the full amount indicated on the buyer’s invoice, the damages incurred by RIAC includes, without limitation, consignor commission, loss of use of money for an indefinite period, costs to relist the item and potential depreciation of the item, and loss arising on the resale of the lot, whether such damages are now known or may become known in the future. Accordingly, in the event the purchaser fails to pay the full amount indicated on the buyer’s invoice within 45 days after the auction, purchaser shall be immediately liable for liquidated damages in an amount equal to 30% of the amount on the buyer’s invoice. These liquidated damages are in addition to the total amount invoiced on the buyer’s invoice and any applicable interest. RIAC shall hold any money deposited in partial payment on account of any liability of the defaulted item and will apply it at the sole discretion of RIAC to the outstanding debt.

7. WITHDRAWAL. RIAC reserves the right to withdraw any property from the auction prior to sale.

8. PROTESTS, DISPUTES AND THE AUCTIONEER. RIAC reserves the right to reject a bid from any bidder. The highest bidder, acknowledged by the Auctioneer, will be the purchaser. The Auctioneer shall have sole and final discretion as to the disposition of any dispute including the re-offer and resale of any article in dispute. RIAC’s records will be deemed conclusive in all respect in the event there is any dispute after the sale.

9. FAILURE TO DELIVER PURCHASER’S PROPERTY. If RIAC is prevented by fire, theft, or any other reason from delivering any property to the purchaser, RIAC’s liability shall be limited to the sum actually paid therefore by the purchaser and shall in no event include any incidental or consequential damages.

10. GUARANTEE. All property offered for sale is as is, where is. ALL SALES ARE FINAL. THERE WILL BE NO REFUNDS AND NO EXCHANGES. RIAC does not guarantee or make warranties on any lot sold. The bold headline of the description is the only written statement RIAC will guarantee as correct. Descriptions in the catalog are opinion. They are written as an aid to potential bidders. RIAC acknowledges that there may be errors in what is written beyond the bold headline description. RIAC recommends that you personally view any item you bid on or have an acknowledged expert view the item. Statements starting with the word condition are opinions, not statements of fact or guarantees. If a dispute about a lot arises it is the purchaser’s responsibility to provide a written statement by an acknowledged qualified expert within 30 days after the auction that the bold headline is in fact incorrect. The 30 day return period IS NOT calculated from the date payment is made or the date the items are received. The 30 day return period will not be extended due to delay in payment or delay in receipt of the goods. If the expert’s statement is indeed correct RIAC will make a full refund upon return of the merchandise, provided that the merchandise is returned in the same condition it was received. In the unlikely event that you need to return the merchandise to RIAC, Purchaser is responsible for all shipping costs. RIAC must again reiterate the guarantee is only on the bold headline of the description and RIAC will only honor this guarantee within 30 days of an auction. This right to return an item purchased at an auction shall be expressly limited to situations where errors occurred in the bold headline description of an auction item and such 30-day return provision shall not apply to a return of an auction item for any other reason. RIAC will have no further obligation, i.e., no refunds or returns will be accepted, if the above conditions are not met. Items offered for sale as described in the catalog or any bill of sale, advertisement, addendum sheet, or elsewhere as to authorship, period, culture, source, origin, measurement, quality, rarity, provenance, importance, exhibition, or physical condition are qualified statements of opinion and not representations or warranties. No employee of RIAC or any person purporting to act on behalf of RIAC is authorized to make on RIAC’s or the consignor’s behalf, any representation or warranty, oral or written, with respect to any lot or item for sale.

11. BINDING EFFECT, MODIFICATIONS, AND SEVERABILITY. The terms and conditions of sale shall bind the successors and assigns of all bidders and purchasers and inure to the benefit of RIAC’s successors and assigns. No waiver, amendment or modification of the terms hereof (other than posted notices or oral announcements during the sale) shall bind RIAC unless specifically stated in writing and signed by RIAC. If any part of these terms and conditions of sale is for any reason invalid or unenforceable, the invalid portion shall be stricken and the rest of the terms and conditions of sale shall remain valid and enforceable.

12. RESERVES. Some items in this auction may be subject to reserve (the confidential minimum price below which the lot will not be sold). If a lot is offered with a reserve, RIAC may implement that reserve by bidding on behalf of the consignor. No reserve will be allowed higher than the high estimate and in many cases the reserve is lower than the low estimate. This bidding will not generally constitute opening bidding. If RIAC declares an opening bid and no advance to that bid is received RIAC will pass the item. However, once bidding is opened RIAC will bid on behalf of the consignor to reach the reserve price. The Auctioneer may reject nominal bids, which are small opening bids or very nominal advances made with the purpose of disparaging an item. If a lot fails to achieve a bid equal to or exceeding 25 – 30% of the low estimate, the item may be passed and not sold and may not be re-offered until a later sale. This determination of whether to sell the item at the current auction or re-offer it at a later auction is at the sole discretion of the Auctioneer. RIAC buys items on the open market or may offer a guarantee to a consignor. In either event, RIAC can have an ownership or other financial interest in the item(s) being auctioned. Such interest in the item(s) being auctioned may not be disclosed. If RIAC has an interest in an offered lot and the proceeds therefrom, other than our commission, RIAC may bid on the offered lot to protect such interest and such bidding shall not be prohibited under Section 13 below. Items which are not reserved are sold at the Auctioneer’s discretion.

13. BIDS OF CONSIGNORS. Consignors, other than RIAC, are not allowed to bid on their own merchandise nor have any agent bid on their behalf. If the Auctioneer recognizes such bidding or is advised of same, the Auctioneer reserves the right to withdraw any or all items consigned by the offending consignor. It is not prohibited conduct under this Section 13 when an Auctioneer bids on behalf of the consignor to reach the reserve price as provided In Section 12 above.

14. FINANCIAL INTEREST IN PROPERTY. Purchaser acknowledges that RIAC has a financial interest in all items offered for sale since it is paid a seller’s commission and buyer’s premium. Additionally, Purchaser acknowledges that a conflict of interest may exist because RIAC, its officers or employees, or an entity owned by one or more of them, may have a financial interest in an item offered for sale beyond the seller’s commission and buyer’s premium, which may include an ownership interest or a guaranteed amount offered by RIAC to a consignor of an item for sale.

15. ABSENTEE BIDDING. As a service to anyone wishing to place bids in advance of the sale RIAC may accept bids on behalf of potential bidders at RIAC’s own discretion by telephone or sealed bid using the forms RIAC provides. A Sealed Bid must be received and credit approved in advance of the sale date. It is the Bidder’s responsibility to establish credit before bidding, or RIAC will accept a 15% deposit in the amount of the total bids submitted. (Deposits will be returned within ten (10) days after sale if not successful.) A Sealed Bid form is enclosed in the back of the catalog. Bids may also be faxed to (309) 797-1655. Additionally, on-line bidding is available on RIAC’s website. Purchasers acknowledge that by bidding absentee via mail, e-mail, telephone, through internet providers, or any other absentee means (i.e., not in person bidding), no fiduciary duty exist between the bidder and RIAC. Purchaser acknowledges that RIAC has a fiduciary duty to the sellers and not to the bidders or purchasers. Purchaser acknowledges that RIAC owes no duty to disclose the ownership of any item being auctioned. Any absentee bid is executed as if the bidder was actually present and bidding themselves. RIAC will attempt to execute bids in a manner such that the bids will prevail at the lowest bid possible. RIAC assumes no responsibility for failure to execute telephone, sealed, or website/online bids for any reason whatsoever or for failure to execute bids such that the bids do not prevail at the lowest bid possible.

16. TELEPHONE BIDDING. In order to bid on a lot over the telephone at the time it is being sold the bidder must contact RIAC in advance to make arrangements. The bidder must contact RIAC by 2:00 p.m. the day preceding the sale to make arrangements to bid via telephone. If the bidder contacts RIAC after 2:00 p.m. the day preceding the sale, RIAC cannot guarantee that the bidder’s bids will be executed. A representative of RIAC will contact the bidder on the day of the sale, prior to the requested lot(s) going up for sale. Telephone Bids may be faxed to (309) 797-1655 or they can be submitted through our online service.


“Cover-Me Bids”: As a Telephone Bidder be aware that there is the risk of RIAC not being able to reach the Telephone Bidder. Therefore the Telephone Bidder may want to consider allowing his or her phone representative to execute bidding on his or her behalf. At the time of arranging for the phone bids, the Telephone Bidder need simply give the maximum amounts he or she is willing to bid on each lot in the event RIAC is unable to reach the Telephone Bidder. This amount is only utilized if the Telephone Bidder is not on the phone with his or her representative. If the Telephone Bidder is reached via telephone, the phone representative will rely on the Telephone Bidder’s verbal instructions only. “Cover-me bids” are not mandatory; the Telephone Bidder can place them at his or her discretion. “Cover me bids” are simply a safety net in case the Telephone Bidder cannot be reached in time or not at all. All terms provided under Section 13 above apply to any “Cover-Me Bids”, including but not limited to all acknowledgements made by Purchaser and any disclosure of the absence of any duties by RIAC.

Online bidding is available through third party providers. Potential bidders are informed that those third party services charge an additional buyers premium above and beyond the premium charged by RIAC.

17. FIREARMS LAWS. All post – 1898 firearms must be registered in compliance with federal and Illinois state law. Purchasers of post – 1898 firearms must complete state and federal registrations forms at Rock Island Auction Company, 7819 42nd Street West, Rock Island, IL 61201, unless otherwise specified. A 3-day waiting period is mandatory for modern handguns and modern long arms. Dealers and out-of-state purchasers must have in their possession on the day of sale, signed copies of their Federal Firearms License (FFL) in order to accept same-day delivery of modern weapons. Purchasers who act as agents for FFL dealers must have a letter of agency as well as a signed copy of the dealer’s FFL.

18. CLASS 3. All firearms designated as Class 3 must be registered in compliance with the NFA registry. Upon purchase, all interstate transfers are done from RIAC to a Class 3 dealer, one with a FFL/SOT License, in your area. There is not a transfer fee to the buyer at that time. When the transfer is approved, the firearm is shipped to the Class 3 dealer. The Class 3 dealer then prepares a Form 4 transfer to the buyer. The buyer pays a $200 tax stamp fee at that time. The only interstate transfers that can be done to an individual are those where the buyer has a Curio & Relics License and the firearm that is being purchased has been classified by the ATF as a NFA Curio & Relic. A $200 federal tax payment is required to file the transfer paperwork. This fee, as well as the Total Amount Due is due at the time of purchase in order to process the paperwork. The new owner of the Class 3 firearm will be required to complete 2 forms: 1) ATF Form 4 and 2) fingerprint card. These forms will be provided to you by RIAC. Note: if state or local law requires a permit or license to purchase, possess, or receive NFA firearms, a copy of the transferee’s (buyer) permit or license must accompany the application. RIAC then mails the paperwork for the Federal Transfer Tax to BATFE. RIAC will receive back one of the Form 4’s (they are sent in duplicate) with a Federal Tax Stamp attached to it. This is given to the new owner upon delivery of the NFA firearm. No further tax is due. Please check the status of your state before you bid or purchase to be sure of your eligibility to own and possess a Class III firearm as the laws continue to change. SPECIAL NOTE: If you are an SOT (Special Occupation Tax) payer (Class 3 dealer) you are able to transfer functional NFA firearms to or from other SOT payers and government agencies with BATFE approval, but without having to pay a transfer tax. RIAC makes no warranties or representations that the above-mentioned forms, fees, licenses and/or approvals will be sufficient for you to own or use your purchased firearm(s). Consult with your federal, state, and local laws, law enforcement personnel, or legal counsel to make sure you may legally own, possess, or use the purchased firearm(s) and that all fees, licenses and approvals are completed.

19. CONDITION OF FIREARMS. RIAC makes no warranties or representations whatsoever and no employee or consultant of RIAC has the authority to do otherwise, concerning the operation of firing condition, fitness for use, safety to store, or reliability, of any firearm, ammunition, or parts. Use of any firearm or ammunition purchased at RIAC is entirely at the user’s risk. RIAC offers for sale the lots as “collector” lots only. RIAC strongly recommends that all weapons, ammunition, etc. purchased at auction be examined by a competent gunsmith. RIAC expressly disclaims any liability whatsoever for accident, injury or damage resulting to any person from the storage or subsequent use of any such lot.

20. ENDANGERED OR PROTECTED SPECIES OR WILDLIFE. Any property made of or Incorporating endangered or protected species or wildlife may have import and export restrictions established by the Convention on International Trade in Endangered Species of Wild Fauna and Flora (CITIES). These items are not available to ship internationally and in some cases, domestically. Additionally, these items may be subject to confiscation by state or federal officials if the proper documentation authorizing their sale is not produced. By placing a bid, the bidder acknowledges that he is aware of the restriction and takes responsibility in obtaining and paying for any license or permits relevant to delivery of the item(s). RIAC does not accept liability for the inability to ship the purchased items or if such item(s) is (are) confiscated by state or federal officials prior to their shipment or transport to the successful bidder.

21. DELIVERY, SHIPPING, AND STORAGE CHARGES. All delivery, shipping and storage charges must be paid by the successful bidder prior to delivery of the firearm.

22. SHIPPING. If RIAC is asked to ship the purchased lots, there will be a separate charge for such shipping. Shipping charges will be based upon what it costs RIAC to ship the purchased lots to the purchaser. If packing and handling of purchased lots is done by RIAC, it is done entirely at the risk of the purchaser. All items must have shipping insurance; this insurance is mandatory. RIAC will not charge any labor charges for shipping. RIAC is not liable for any acts of omissions in packaging or shipping. Purchased lots handled by outside carriers or packers, including those RIAC may have recommended, may carry their own insurance and any claims for losses or damages should be addressed directly to the outside carriers or packers. RIAC will arrange for packing and shipping at RIAC’s earliest possible convenience. RIAC will attempt to ship as soon as possible; however, due to RIAC’s high volume of absentee bids, shipping can take up to two weeks after full payment is received. In the case of crating or any exceptional packaging, the purchaser will be charged RIAC’s cost from outside agents. Purchaser pays shipping, packing materials, and insurance charges. RIAC reserves the right to purchase the outside shipper’s insurance, to be self-insured, or a combination of both.

Ammunition lots will ship to FFL’s only. If picking up must have FOID or FFL. All state and local laws apply.

The shipping of any purchased items outside of the United States is hereby classified as “foreign export”. All foreign export is the sole responsibility of the purchaser.

23. DISPUTES UNDER THIS CONTRACT. Purchaser and RIAC agree to mediate any dispute or claim arising between them resulting from the purchaser participating in the auction or any resulting transaction, with the exception of the failure of the purchaser to make full payment of the purchaser’s obligations to RIAC. In the event the purchaser fails to make full payment to RIAC, RIAC may, but is not required to, proceed directly to court. Furthermore, the purchaser and RIAC agree that should Mediation be necessary, Mediation fees, if any, will be borne equally by the parties. Purchaser and RIAC are required under the terms and conditions of sale to enter into Mediation before arbitration or any court action. Should a party commence legal action other than Mediation without giving written notice to the other party, the party so commencing the legal action will not be entitled to recover attorney’s fees even if they would otherwise be allowed in the action. All mediation, arbitration and court proceedings, whether in state or federal court, shall be filed and conducted solely within Rock Island County, State of Illinois, and not in any other jurisdiction.

Should Mediation not settle the dispute between the parties the purchaser and RIAC agree that any dispute or claim, in law or equity, resulting from the participation in the auction or any resulting transaction shall be settled in neutral binding arbitration utilizing the standards of American Arbitration Association and must be initiated and carried out in Rock Island County, State of Illinois. Any bidder or purchaser agrees that the election of restricting any and all claims to Arbitration is a voluntary decision and is evidenced by the bidder or purchaser’s participation in the auction. The purchaser specifically agrees to the following: I have read the terms and conditions of sale and by my participation in this sale I agree all disputes arising out of my participation will be first submitted to Mediation, and if Mediation is not successful in resolving the dispute I then submit to neutral binding Arbitration with RIAC and any other entity under this contract. No lawsuit shall be filed until a person has in good faith completed all Mediation and Arbitration proceedings as required hereunder.


Styer AUG A1: Iconic Full Auto 5.56

Steyr AUG A3 M1

The iconic bullpup-style Steyr AUG has been one of the most recognizable rifles in the world since its adoption by the Austrian army in 1977 and is now available for civilian use as the Steyr AUG A3 M1, a semi-convertible ambidextrous rifle platform with an adjustable short-stroke, gas-piston operation chambered for 5.56x45mm (.223 Remington) ammunition in stock 10-, 30- or 42-round magazines.

The multi-configurable M1 variant of the AUG A3 platform is the latest generation of the venerated bullpup platform. Utilizing an optics attachment platform similar to the rare and much-sought-after AUG A2, the AUG A3 M1 is available from the factory with an Extended Rail, but optional Short-Rails, High-Rails, 1.5X or 3X Optics will ship separately. The AUG A3 M1 Optics version has a more traditional AUG scope tube with exceptionally bright and clear optical elements, modernized with the addition of three Picatinny rail sections to accommodate accessories like a close-quarters holographic sight. With 16 numbered slots, the High-Rail version was designed to accommodate the widest range of optic choices, and the 11-slot Short-Rail version was designed for use with a reflex sight or a longer-eye relief optic. The rail and optics platforms on all three AUG A3 M1 versions are interchangeable via the three base screws that thread from the underside of the top of the receiver.

The AUG A3 M1 boasts an overall length of just 28.15 inches, including its 16-inch heavy barrel, making it at least 8 inches shorter than an M4 carbine with a comparable-length barrel. The short-stroke gas-piston operation of the AUG runs exceptionally cleaner by nature because all of the operational exhaust gas vents out of the front of the rifle. The AUG’s matching, yet opposed, stainless steel operation and guide rods affixed to the bolt carrier glide effortlessly inside the receiver for unparalleled smoothness in operation as well as exceptional reliability. Dual gas-adjustment settings ensure its operation, even with the dirtiest ammunition and in adverse conditions.

The AUG A3 M1 has all the classic features and benefits that established it as the pinnacle of modern rifle design, including expedited disassembly as well as simple conversion to left-hand operation, which requires replacement of the standard bolt with the optional left-eject bolt and swapping the ejection-port cover. It also features a quick-change barrel with a collapsible forward grip as well as a two-position cross-bolt safety that locks the trigger.

The receiver was also updated to replace the permanently affixed front sling swivel with a VLTOR Quick-Disconnect Sling Swivel, which makes two-point sling attachment or removal extremely fast and easy, and users of single-point slings can remove the front sling swivel entirely, if they so desire.

The AUG A3 M1 stock, cocking piece and forward grip are made of highly durable synthetic and are available in Black, Green, Mud and White colors. The rifle is available in either the standard version that accepts genuine Steyr AUG magazines or as a NATO version that accepts standard STANAG (AR) magazines.

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Steyr Aug Comparison NFA Weapons
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FA to SA- Ever wonder what makes a Steyr Aug semi-auto (SA) different from a full auto (FA)?  Well here you go. Please remember that to own a full auto weapon in the US that you must have a licensed and registered FA receiver or hammer pack and the appropriate paperwork from the BATF Failure to comply will lead to a long prison sentence. 

A big "Thank You!" goes out to Harmsr for providing the following pictures detailing the differences in SA and FA parts.  Harmsr does have a properly and legally registered FA pack that is used with these parts.  Possession of any FA items without a FA pack or receiver may be construed as a federal firearms violation, so please check applicable laws and with the BATF before doing anything questionable.  I hope the identification pictures here will help people recognize what they are buying and avoid and potential legal problems.

A couple of side notes here:  

- Pete recommends using the metal FA cocking piece (not pictured) when using a 9mm kit.  If you have any questions on why, please direct them to him (contact information below)

- The anti-bounce rods that are in a FA carrier are not shown.  Again, Pete recommends if you do not have these installed that you limit yourself to 10 round bursts or less.  He says that anything more could result in damage to the firearm and/or resulting injury.

Pictures from Buddy Hinton And Pete at PJS INVESTMENTS. [email protected]  

- The first Picture is a SA Carrier next to a FA carrier.  There are some differences between the two carriers such as the cocking piece, holes for the guide rods, as well as the inclusion of anti-bounce rods within the carrier itself.                                             

- Here are the  Piston parts for The FA note they include a NO GAS Function for launching a grenade. 

AUG with M240 40mm grenade launcher 

 240.jpg (12730 bytes)

and don't forget Australia!




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