Features Include: M&P 15 Sport II OR, 5.56mm NATO/.223, Capacity: 30, 16" Barrel Length, 35" Overall Length, Weight: 110.6 oz, 6 Position Adjustable Stock, Polymer Grip, 4140 Steel Barrel Material, 1 in 9" Barrel Twist, 6 Groove, A2 Flash Hider, Gas Block with Integral Rail, Threaded Barrel, Crimson Trace CTS-103 Red/Green Dot Electronic Sight.