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.

Features:
M4 Feedramps
.2795 takedown pin holes (DPMS size)
Lazer engraved T-marks
DPMS High Profile (.210) Tang)
Includes port door and forward assist
Specs:
Platform: M5 (.308)
Material: Machined from 7075-T6 forged aluminum
Finish: Anodized Black
Compatibility: Accepts standard DPMS .308 components