The M5 .308 Assembled Upper Receiver comes with both the port door and forward assist hardware pre-installed. Forged from 7075-T6 aluminum, this assembled upper is precision machined to accept standard .308 components and is the perfect upper for your big bore build. Match this with our M5 .308 lower receiver for a solid and dependable fit.
- M4 Feedramps
- .2795 takedown pin holes
- DPMS High Profile (.210) Tang
- Includes port door and forward assist
- M5 .308 Assembled Upper Receiver