

The primary variant of the rifle, designated the AUG A1, consists of six main assemblies: the barrel, receiver with integrated telescopic sight, bolt and carrier, trigger mechanism, stock and magazine. Designed as a family of rifles that could be quickly adapted to a wide variety of roles with the change of the barrel to a desired length and profile, the AUG is a modular configuration rifle that employs a high level of polymer and advanced alloy components. The AUG, a bullpup 5.56mm assault rifle, is a selective fire weapon with a conventional gas piston operated action that fires from a closed bolt. Immigration and Customs Enforcement agency. The rifle and its variants has also been adopted by the armed forces of Argentina, Australia, New Zealand, Bolivia, Ecuador, Ireland, Luxembourg, Saudi Arabia, Tunisia, Pakistan, and the U.S. In production since 1978, it is the standard small arm of the Austrian Bundesheer and various national police units.

The AUG ( Armee-Universal-Gewehr-"universal army rifle") was adopted by the Austrian Army as the StG 77 ( Sturmgewehr 77) in 1977, where it replaced the 7.62mm StG 58 automatic rifle (a license-built FN FAL). The AUG is an Austrian bullpup 5.56mm assault rifle, designed in the early 1970s by Steyr Mannlicher GmbH & Co KG (formerly Steyr-Daimler-Puch). Swarovski 1.5x telescopic sight, emergency battle sights, various optics 9x19mm Parabellum: 25 or 32-round MPi 69 box magazine.5.56x45mm NATO: 30 or 42-round box magazine, Beta C-Mag.Thales Australia, Lithgow Facility SME Ordnance Steyr AUG A1 with 508 mm (20.0 in) barrel
