Original AUG configuration with 1.5x optical sight fixed to the receiver. Adopted by Austria (StG 77) and numerous NATO allies in the late 1970s. Type: Rifle Action: Semi-Automatic Caliber: 5.56 NATO Capacity: 30 Year introduced: 1978, Austria Weight: 126.4 oz Overall length: 28.15" Status: Active Intended use: Military, Tactical