AR-15 pattern pistol-caliber carbine in 9mm using CMMG's Radial Delayed Blowback system. Uses Glock-pattern magazines for broad compatibility. Type: Carbine Action: Semi-Automatic Caliber: 9mm Luger Capacity: 17 Year introduced: 2014, USA Weight: 112 oz Overall length: 32" Status: Active Intended use: Home Defense, Law Enforcement, Sport Shooting, Competition