Christensen Arms CA-15 AR-15 platform in .375 CT with 16-inch carbon fiber barrel, the only major-manufacturer AR chambering of the Christensen proprietary straight-walled cartridge. Type: Rifle Action: Semi-Automatic Caliber: .375 CT Capacity: 5 Year introduced: 2020, USA Weight: 80 oz Overall length: 32" Status: Active Intended use: Hunting