S&W M&P 15 ORC (Optics Ready Compliant) 5.56mm/.223 Remington 16 Inch Black Barrel Fixed Pinned Stock 10 Round

Gas Block with Integral Picatinny-Style Rail on the same plane as receiver rail for mounting BUIS. QD sling swivel attachment point on bottom of gas block. Fixed pinned stock. 4140 steel barrel material. 7075 T6 aluminum receiver material. Hard coat black anodized finish. Chromed barrel bore, gas key bolt carrier and chamber.