Christensen Arms CA-10 Designated Marksman Rifle in .308 Win with 18-inch carbon fiber wrapped stainless barrel. Carbon fiber handguard. Ultralight AR-10 precision rifle. Type: Rifle Action: Semi-Auto Caliber: .308 Win Capacity: 20 Year introduced: 2016, USA Weight: 108.8 oz Overall length: 36.5" Status: Active Intended use: Precision, Long-Range, Hunting