Rock River Arms' AR-pattern 9mm pistol caliber carbine with a 16-inch barrel and blowback operation in a dedicated 9mm lower. Uses Colt-pattern 9mm magazines. RRA's entry into the PCC market leveraged their existing quality reputation to compete with Olympic Arms and Del-Ton in the 9mm AR segment. Type: Rifle Action: Semi-Automatic Caliber: 9mm Luger Capacity: 33 Year introduced: 2006, United States Weight: 80 oz Overall length: 32.5" Status: Active Intended use: Recreational Shooting, Home Defense, Competition