The Steyr AUG A3 M1 20-inch features a longer barrel for improved ballistic performance while retaining the distinctive AUG bullpup profile and modern Picatinny rail top. Type: Bullpup Rifle Action: Gas-Operated Caliber: 5.56x45mm Capacity: 30 Year introduced: 2012, Austria Weight: 8.2 oz Overall length: 31.1" Status: Active Military use: Yes Intended use: Hunting, Tactical, Precision