Military AUG A3 with STANAG magazine well and full Picatinny rail, standardized for NATO interoperability. Accepts standard STANAG/AR-15 magazines without adapter. Updated for 21st-century operation while retaining the AUG bullpup layout. Type: Rifle Action: Gas-Operated Caliber: 5.56x45mm NATO Capacity: 10 Year introduced: 2010, Austria Weight: 104 oz Overall length: 43.5" Status: Active Military use: Yes Intended use: military, law_enforcement