Model Variants (Including Prototypes)
AUG A1 - Base Assault Rifle Model.
AUG A2 - Based on AUG A1; revised charging handle; removable telescopic sight; MIL-STD-1913 rail system compatible.
AUG A3 - Based on AUG A2; fitted with MIL-STD-1913 rail system; external bolt release.
AUG A3 SF / AUG A2 Commando - Based on AUG A2; MIL-STD-1913 rail system (x2); external bolt release.
AUG A3 SA USA - Semi-Automatic version of the AUG A3 for civilian market; 16" barrel.
AUG P - Semi-Automatic version of AUG A1; 16" barrel.
AUG P Special Receiver - fitted with MIL-STD-1913 rail system; based on AUG P.
AUG 9mm / AUG SMG / AUG Para - Chambered for 9x19mm Parabellum cartridge; blowback operation; differing bolt, magazine and barrel from standard AUG A1.
AUG A3 9mm XS - 9mm variant based on the AUG A3 model; Picatinny rail system; 12.8" barrel.
AUG M203 - Modified to accept the American M203 under-slung 40mm grenade launcher.
AUG LSW - Light Support Weapon
AUG HBAR - Heavy-Barrel Automatic Rifle; longer design with heavier barrel for sustained fire role.
AUG LMG - Light Machine Gun; 4x optic scope; open bolt; based on the AUG HBAR.
AUG LMG-T - Light Machine Gun with differing rail system.
AUG HBAR-T - Designated Marksman Rifle; Kahles ZF69 6x42 optical sight.
AUG Z - Semi-automatic variant of AUG A2 for civilian market.
AUG SA - Semi-automatic variant of the AUG A1 for civilian market.
USR - US modified AUG A2 model for use by BATF.
MSAR STG-556 - American designation of AUG A1; production by Microtech Small Arms Research, Incorporated; bolt hold-open device; compatible with MIL-STD-1913 rail system or base telescopic sight; semi-automatic/selective fire on civilian/police-military models respectively.
TPD USA AXR - American designation of AUG A2; production by Tactical Products Design, Incorporated; police/civilian market; STANAG magazine compatible; semi-automatic fire only.
F88 Austeyr - Australian designation of AUG A1; bayonet lug; revised target reticle; production by Australian Defense Industries.
F88C Austeyr - Australian carbine form; 16" barrel.
F88S Austeyr - Fitted with Picatinny rail system.
F88S-A1C - F88 fitted with Picatinny rail system; 16" barrel.
F88 GLA - Fitted with American M203 40mm single-shot under-slung grenade launcher; sans bayonet lug and forward grip.
F88T - .22 caliber trainer model
F88A4 - Proposed Assault Rifle by ADI; to fit multiple Picatinny rail systems.
DSTO Advanced Individual Combat Weapon - Experimental Variant; revised receiver and stock; internal components of the F88 model; multi-shot 40mm grenade launcher.