Christensen Arms CA-15 G2 with 16-inch carbon fiber-wrapped barrel and lightweight carbon fiber handguard. The CA-15 is among the lightest production AR-15s available, with the carbon fiber barrel wrapping reducing weight while improving heat dissipation compared to traditional stainless or chrome-moly barrels. Type: Rifle Action: Semi-Automatic Caliber: 5.56 NATO Capacity: 30 Year introduced: 2016, USA Weight: 92 oz Overall length: 33" Status: Active Intended use: Sport Shooting, Hunting, Precision Shooting