The AM-15 Assembled Upper Receiver comes with the dust cover and forward assist already installed. This upper is machined from 7075 T6 Aluminum forging. Featuring M4 feed ramps, this upper receiver is machined to Military Specifications & Standards and can be used with multiple calibers on the AR-15 platform. This upper receiver comes in type III hard coat black anodize for extreme durability. Match this Upper with one of our Lower Receivers for a solid fit for your AM-15 build.