U.S.-market semi-auto AUG with M1913 Picatinny top rail, NATO-pattern magazine adapter accepting STANAG magazines, and enhanced trigger. Imported by Steyr Arms USA; the standard civilian AUG available in America. Type: Rifle Action: Gas-Operated Caliber: 5.56x45mm NATO Capacity: 10 Year introduced: 2012, Austria Weight: 104 oz Overall length: 43.5" Status: Active Intended use: sport, self_defense, law_enforcement