The Steyr AUG HBAR (Heavy Barrel Automatic Rifle) is the light machine gun variant of the AUG, featuring a heavier 24-inch barrel and bipod. The civilian semi-auto version uses the same heavy barrel in a support role configuration. Type: Semi-Auto Rifle Action: Gas-Operated Caliber: 5.56x45mm Capacity: 42 Year introduced: 1982, Austria Weight: 9.9 oz Overall length: 35.9" Status: Active Military use: Yes Intended use: Range, Collector