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.
- M4 Feedramps
- .250 takedown pin holes
- Includes port door and forward assist
Big Book Catalog, Issue:71, Page:001
SPECS: Weighs: 8.35oz, 7075-t6 forged aluminum.