Rosco Manufacturing ROS-UPPER-BLK-004 Forged Upper Receiver Aluminum for AR15

The Rosco Forged AR-15 Upper Receiver comes with the forward assist and port door installed. This upper starts with high-quality 7075 T6 aluminum forgings, precision machined to mil-spec dimensions, giving maximum compatibility with mil-spec and aftermarket parts and accessories, offering superb strength and versatility for building a rifle configured exactly the way you want it.