AUG Heavy Barrel Automatic Rifle — squad automatic weapon variant with 24-inch heavy barrel and bipod. Used in the light machine gun role within AUG-equipped armies. Fixed magazine well accepts non-standard large-capacity drums. Type: Rifle Action: Gas-Operated Caliber: 5.56x45mm NATO Capacity: 10 Year introduced: 1982, Austria Weight: 104 oz Overall length: 43.5" Status: Active Military use: Yes Intended use: military