AR-15 lower-pattern 9mm carbine with a 16-inch barrel using a dedicated 9mm upper and Colt SMG magazine well insert. Accepts Colt-style 9mm AR magazines. Direct-blowback operation with standard AR-15 lower controls. Type: Rifle Action: Semi-Automatic Caliber: 9mm Capacity: 17 Year introduced: 2004, USA Weight: 7.2 oz Overall length: 36" Status: Active Intended use: Patrol / Range