The Christensen Arms CA-10 in .308 Winchester applies the same carbon fiber barrel and titanium hardware philosophy to the AR-10 platform. The 18-inch barrel and carbon fiber construction produce a sub-8-pound .308 semi-auto, making it one of the lightest factory .308 rifles available. Type: Semi-Auto Rifle Action: Direct Impingement Caliber: .308 Win Capacity: 20 Year introduced: 2012, USA Weight: 8 oz Overall length: 37.5" Status: Active Intended use: Hunting, Precision, Range