Carbon fiber-wrapped barrel AR-15 with titanium muzzle device and carbon fiber handguard. Among the lightest complete AR-15 rifles available. Type: Carbine Action: Semi-Automatic Caliber: 5.56x45mm NATO Capacity: 30 Year introduced: 2012, USA Weight: 88 oz Overall length: 32" Status: Active Intended use: Hunting, Precision Shooting, Sport Shooting