The AUG A3 M2 features an extended top rail running the full length of the receiver, providing additional mounting real estate for optics and accessories beyond the standard M1 configuration. Type: Rifle Action: Semi-Automatic Caliber: 5.56x45mm NATO Capacity: 30 Year introduced: 2016, Austria Weight: 91 oz Overall length: 28.2" Status: Active Intended use: Sport, Law Enforcement