The Aero Precision 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 Aero’s M5 .308 lower receiver for a solid and dependable fit.
- M4 Feedramps
- .2795 takedown pin holes
- Laser engraved T-marks
- DPMS High Profile (.210) Tang
- Includes port door and forward assist