The original M&P15 Sport (first generation) predates the Sport II, lacking a forward assist and dust cover compared to its successor. Features a 16-inch barrel with 1:9 twist, six-position stock, and flat-top upper. The Sport was introduced to compete at the $700 price point against DPMS and Bushmaster budget ARs, and its volume sales propelled S&W to the top of the civilian AR market. Type: Rifle Action: Semi-Automatic Caliber: 5.56 NATO Capacity: 30 Year introduced: 2012, USA Weight: 6.4 oz Overall length: 35" Status: Discontinued Intended use: Sport Shooting, Home Defense