The AR-15 Assembled Upper Receiver comes with the port door and forward assist already installed. Forged from 7075-T6 aluminum, this assembled upper is precision machined to mil- spec M16/M4 specifications and features M4 feedramps. Black model features laser engraved T marks. Cerakote FDE model does not have T marks. Features: M4 Feedramps .250 takedown pin holes Includes port door and forward assist Mfg: Aero Precision SPECS: Weighs: 8.35oz, 7075-t6 forged aluminum.
