Standard AR-15 platform from CMMG with direct impingement and mid-length gas system. CMMG's entry-level centerfire rifle built to mil-spec tolerances with staked carrier key. Type: Rifle Action: Semi-Automatic Caliber: 5.56x45mm NATO Capacity: 30 Year introduced: 2012, USA Weight: 99.2 oz Overall length: 35" Status: Active Intended use: Hunting, Tactical, Target