The M&P15 Sport II was developed with all the same great features found in the M&P15 Sport with the addition of a dust cover and forward assist. Additional product features include a Magpul Folding MBUS rear sight, an adjustable A2 post front sight, a 6-position telescoping stock, a 7075 T6 aluminum receiver, and a 4140 steel barrel with a 1 in 9” twist. The metal has a durable, corrosion-resistant Armornite finish. Forged, integral trigger guard. Chromed firing pin. 30-round Magpul PMAG included.