Firearms / Assault rifles / AUG

AUG

General Facts

  • TYPE
    Assault rifle

  • ORIGIN
    Austria

  • NICKNAMES
    Sturmgewehr 77 / StG 77 (Austrian designation)
    Austeyr (nickname for Australian production models)
    F88 (Australian designation for AUG)

  • DESIGNED
    Early 1970's

  • DESIGNER
    Steyr

  • PRODUCTION
    1978 - present

  • PRODUCERS
    Australia - ADI
    Austria - Steyr
    Malaysia - SME

  • QUANTITY
    Unknown

  • UNIT COST
    Unknown

  • CHARACTERISTICS
    Compact
    Rugged and reliable
    Changeable barrel configuration

Introduction

The AUG is an assault rifle of Austrian origin. It is the most widely used assault rifle in bullpup configuration in the world. The abbreviation AUG stands for Armee Universel Gewehr, German for universal army rifle. The AUG was developed in the early 1970's to replace the FAL in Austrian services, but later was exported to many nations.

Design

At the time of the development the AUG featured state of the art design choices. The most distinguishing feature is the bullpup configuration. The trigger is placed in front of the magazine and the receiver doubles as the stock, resulting in a very short weapon. The furniture is made of a tough polyamide. The AUG is gas operated and uses a short stroke gas piston and rotating bolt.

Firepower

The AUG is known as an accurate and reliable weapon. It fires the 5.56x45mm round from 30 round translucent magazines. The 42 round magazines of the light support variant can also be used. Due to the rifling both the older M193 and newer SS109 rounds can be fired. The two stage trigger allows for semi-automatic fire with a light pull and automatic fire with a full pull. The effective range depends on the barrel lenght and is given as 400 meter with the standard barrel.

Users

The AUG was first adopted by the Austrian military. It has also been adopted by various nations around the world as the standard issue assault rifle. Additionally many special forces and law enforcement units have adopted the AUG.

Variants

AUG A1

The AUG A1 is the original and standard version of the AUG family. The AUG A1 is fitted with a fixed 1.5x scope and is available with a 508 mm, 406 mm and 350 mm barrel. To distinguish between the barrel lengths the unofficial designations AUG Rifle, AUG Carbine and AUG Commando are used. The 350 mm barrel is very uncommon. In all three barrel lengths the AUG is also available as the AUG A2. The A2 is completely similar to the A1, but the 1.5x scope mount is removeable and a single Picatinny rail can be installed.

TypeAssault rifle
Caliber5.56x45mm M193 or NATO
Magazine30, 42 rounds
OperationGas operated, short stroke gas piston, closed bolt
Fire selector0-1-F
Rate of fire680 - 750 rpm
Barrel length350 mm
Rifling4 grooves, 229mm right hand twist
Muzzle velocity?
StockFixed
Length634 mm
Width?
Height275 mm
Weight3.05 kg empty
Sights1.5x scope, optional Picatinny rials on A2 model
Remarks-
TypeAssault rifle
Caliber5.56x45mm M193 or NATO
Magazine30, 42 rounds
OperationGas operated, short stroke gas piston, closed bolt
Fire selector0-1-F
Rate of fire680 - 750 rpm
Barrel length406 mm
Rifling4 grooves, 229mm right hand twist
Muzzle velocity?
StockFixed
Length690 mm
Width?
Height275 mm
Weight3.3 kg empty
Sights1.5x scope, optional Picatinny rials on A2 model
Remarks-
TypeAssault rifle
Caliber5.56x45mm M193 or NATO
Magazine30, 42 rounds
OperationGas operated, short stroke gas piston, closed bolt
Fire selector0-1-F
Rate of fire680 - 750 rpm
Barrel length508 mm
Rifling4 grooves, 229mm right hand twist
Muzzle velocity?
StockFixed
Length790 mm
Width?
Height275 mm
Weight3.6 kg empty
Sights1.5x scope, optional Picatinny rials on A2 model
Remarks-

Austeyr

The Austeyr is the Australian version of the AUG. Officially it is known as the F88. It is very similar to the original AUG A1, but differs in some minor details. The rifling is 178mm instead of 229mm. This results in a better stabalization of the 5.56mm NATO round, but the older M193 cannot be used. A bayonet lug is fitted as standard. A lockout selector allows the operator to disable the full auto option of the two stage trigger. Models supplied to New Zealand have a cross hair in the reticle. The F88 has a 508mm barrel and the F88C has a 406mm barrel. The F88S and F88S-A1C are similar models but fitted with a Picatinny rail. The F88 GLA features a bar below the barrel for mounting the M203PI.

TypeAssault rifle
Caliber5.56x45mm NATO
Magazine30, 42 rounds
OperationGas operated, short stroke gas piston, closed bolt
Fire selector0-1-F
Rate of fire680 - 750 rpm
Barrel length508 mm
Rifling4 grooves, 178mm right hand twist
Muzzle velocity?
StockFixed
Length790 mm
Width?
Height275 mm
Weight3.6 kg empty
Sights1.5x scope
Remarks-
TypeAssault rifle
Caliber5.56x45mm NATO
Magazine30, 42 rounds
OperationGas operated, short stroke gas piston, closed bolt
Fire selector0-1-F
Rate of fire680 - 750 rpm
Barrel length406 mm
Rifling4 grooves, 178mm right hand twist
Muzzle velocity?
StockFixed
Length690 mm
Width?
Height275 mm
Weight3.3 kg empty
Sights1.5x scope
Remarks-
TypeAssault rifle
Caliber5.56x45mm NATO
Magazine30, 42 rounds
OperationGas operated, short stroke gas piston, closed bolt
Fire selector0-1-F
Rate of fire680 - 750 rpm
Barrel length508 mm
Rifling4 grooves, 178mm right hand twist
Muzzle velocity?
StockFixed
Length790 mm
Width?
Height?
Weight?
SightsPicatinny rails
Remarks-
TypeAssault rifle
Caliber5.56x45mm NATO
Magazine30, 42 rounds
OperationGas operated, short stroke gas piston, closed bolt
Fire selector0-1-F
Rate of fire680 - 750 rpm
Barrel length406 mm
Rifling4 grooves, 178mm right hand twist
Muzzle velocity?
StockFixed
Length690 mm
Width?
Height?
Weight?
SightsPicatinny rails
Remarks-

AUG A3

The AUG A3 is the latest version in the AUG family. It is a highly modified version of the AUG A1. Instead of a fixed 1.5x sight unit a long Picatinny accessory rail is mounted on top. Additional accessory rails are mounted at the forward grip. The A3 also features an external bolt release and an optional 3 round burst ability. The standard model is fitted with a 455mm barrel, but it is also available with a 365mm, 406mm and 508mm barrel.

TypeAssault rifle
Caliber5.56x45mm M193 or NATO
Magazine30, 42 rounds
OperationGas operated, short stroke gas piston, closed bolt
Fire selector0-1-F
Rate of fire680 - 750 rpm
Barrel length365 mm
Rifling4 grooves, 229mm right hand twist
Muzzle velocity?
StockFixed
Length655 mm
Width?
Height245 mm
Weight?
SightsPicatinny rails
Remarks-
TypeAssault rifle
Caliber5.56x45mm M193 or NATO
Magazine30, 42 rounds
OperationGas operated, short stroke gas piston, closed bolt
Fire selector0-1-F
Rate of fire680 - 750 rpm
Barrel length406 mm
Rifling4 grooves, 229mm right hand twist
Muzzle velocity?
StockFixed
Length696 mm
Width?
Height245 mm
Weight?
SightsPicatinny rails
Remarks-
TypeAssault rifle
Caliber5.56x45mm M193 or NATO
Magazine30, 42 rounds
OperationGas operated, short stroke gas piston, closed bolt
Fire selector0-1-F
Rate of fire680 - 750 rpm
Barrel length455 mm
Rifling4 grooves, 229mm right hand twist
Muzzle velocity?
StockFixed
Length745 mm
Width?
Height245 mm
Weight3.9 kg empty
SightsPicatinny rails
Remarks-
TypeAssault rifle
Caliber5.56x45mm M193 or NATO
Magazine30, 42 rounds
OperationGas operated, short stroke gas piston, closed bolt
Fire selector0-1-F
Rate of fire680 - 750 rpm
Barrel length508 mm
Rifling4 grooves, 229mm right hand twist
Muzzle velocity?
StockFixed
Length798 mm
Width?
Height245 mm
Weight?
SightsPicatinny rails
Remarks-

AUG A3 SF

The AUG A3 SF is a different modification of the AUG A1 than the standard AUG A3. Unlike the AUG A3 it does not feature a long Picatinny rail on top of the receiver. Instead it is fitted with new large optical sight which is fitted with Picatinny rails on all sides. At first it was known as the AUG A2 Commando. Normally it is fitted with a 406mm barrel, but is available with 365mm and 508mm barrels.

TypeAssault rifle
Caliber5.56x45mm M193 or NATO
Magazine30, 42 rounds
OperationGas operated, short stroke gas piston, closed bolt
Fire selector0-1-F
Rate of fire680 - 750 rpm
Barrel length406 mm
Rifling4 grooves, 229mm right hand twist
Muzzle velocity?
StockFixed
Length715 mm
Width?
Height232 mm
Weight3.97 kg empty
Sights1.5x scope
Remarks-
TypeAssault rifle
Caliber5.56x45mm M193 or NATO
Magazine30, 42 rounds
OperationGas operated, short stroke gas piston, closed bolt
Fire selector0-1-F
Rate of fire680 - 750 rpm
Barrel length508 mm
Rifling4 grooves, 229mm right hand twist
Muzzle velocity?
StockFixed
Length817 mm
Width?
Height232 mm
Weight?
Sights1.5x scope
Remarks-

AUG Para

The AUG Para is a sub machine gun conversion of the AUG A1 or A2. Unlike the other models it does not fire the 5.56x45mm round. It fires the 9x19mm round from a 25 round magazine. The conversion does not only consist of changing the barrel, but also includes fitting a magazine adapter. A few centimeters from the muzzle the barrel is threaded to accept a silencer.

TypeSub machine gun
Caliber9x19mm Parabellum
Magazine25 rounds
OperationBlowback, closed bolt
Fire selector0-1-F
Rate of fire650 - 720 rpm
Barrel length420 mm
Rifling6 grooves, 250mm twist
Muzzle velocity?
StockFixed
Length665 mm
Width?
Height275 mm
Weight3.3 kg empty
Sights1.5x scope, optional Picatinny rials
RemarksOptional silencer

AUG A3 XS

The AUG A3 XS is a sub machine gun conversion similar to the AUG Para, but is based on the newer AUG A3 model. It features an abundance of Picatinny rails for mounting iron sights, optics and accessories. The barrel on the AUG A3 XS shorter than the one on the AUG Para and it is not possible to mount a silencer.

TypeSub machine gun
Caliber9x19mm Parabellum
Magazine25 rounds
OperationBlowback, closed bolt
Fire selector0-1-F
Rate of fire650 - 720 rpm
Barrel length325 mm
Rifling6 grooves, 250mm twist
Muzzle velocity?
StockFixed
Length610 mm
Width?
Height210 mm
Weight2.97 kg empty
SightsPicatinny rails
Remarks-

AUG H-Bar

The AUG H-Bar is the heavy barrel version of the AUG A1. It was designed to act as a light support weapon. For that role it is fitted with a long 621 mm barrel with a fixed foldable bipod. Normally the AUG H-Bar is issued with 42 round magazines, but can also use the standard 30 round magazines. The AUG LMG is a less common version of the AUG H-Bar. It fires from the open bolt position and is fitted with a 4x scope instead of the standard 1.5x scope. The AUG H-Bar-T and LMG-T versions are fitted with Picatinny rail similar as the one on the AUG A2. The AUG-H-Bar-T was marketed with a Kahles 6x42 scope as a designated marksman rifle.

TypeLight support weapon
Caliber5.56x45mm M193 or NATO
Magazine30, 42 rounds
OperationGas operated, short stroke gas piston, closed bolt
Fire selector0-1-F
Rate of fire680 rpm
Barrel length621 mm
Rifling4 grooves, 229mm right hand twist
Muzzle velocity945 m/s
StockFixed
Length900 mm
Width?
Height275 mm
Weight4.9 kg empty
Sights1.5x scope, optional Picatinny rials
RemarksFixed foldable bipod
TypeLight support weapon
Caliber5.56x45mm M193 or NATO
Magazine30, 42 rounds
OperationGas operated, short stroke gas piston, open bolt
Fire selector0-1-F
Rate of fire680 rpm
Barrel length621 mm
Rifling4 grooves, 229mm right hand twist
Muzzle velocity945 m/s
StockFixed
Length900 mm
Width?
Height275 mm
Weight4.9 kg empty
Sights1.5x scope, optional Picatinny rials
RemarksFixed foldable bipod

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