The M5 .308 Assembled Upper Receiver comes with both the port door and forward assist hardware preinstalled. 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
- Lazer engraved T-marks
- DPMS High Profile (.210) Tang)
- Includes port door and forward assist
- Weight: 14 oz
- Barrel nut threads: 1 7/16"-16