The CA-15 is Christensen's carbon-fiber-wrapped stainless barrel AR-15, bringing the sub-MOA accuracy guarantee and reduced weight of their bolt-action line to a semi-auto platform. Type: Rifle Action: Semi-Automatic Caliber: 5.56 NATO Capacity: 30 Year introduced: 2014, USA Weight: 72 oz Overall length: 35" Status: Active Intended use: Sport, Precision, Hunting