S&W M&P 15X Carbine 5.56mm/.223 Remington 16 Inch Barrel M-LOK Handguard Magpul MBUS Rear Sight Adjustable Stock 30 Round

M&P slim, aluminum carbine-length handguard with Magpul M-LOK. Picatinny-style top rail. Forged, integral trigger guard. Patented S&W flash suppressor. Magpul folding MBUS rear sight; Adjustable A2 post front sight. Two inch M-LOK aluminum picatinny-style rail panel included. 4140 steel barrel with Amornite finish on interior and exterior. Chromed firing pin. 1:8 inch twist, 5R rifling. 7075 aluminum receiver material. Polymer grip.