First-generation M&P 15 Sport — the original sub-$700 AR-15 from S&W. 16-inch 1:9 twist barrel, A2 front sight, and no forward assist (a cost-reduction measure later restored in the Sport II). The Sport Gen 1 established the price benchmark for AR-15 production that all manufacturers subsequently competed against. Type: Rifle Action: Semi-Automatic Caliber: 5.56 NATO Capacity: 30 Year introduced: 2011, USA Weight: 25.5 oz Overall length: 35" Status: Discontinued Intended use: Home Defense, Recreational Shooting