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 ideal upper for your big bore build.It includes m4 feedramps,.2795 takedown pin holes (dpms size), and dpms high profile (.210) tang).This assembled upper receiver is finished in anodized black.

Receiver Finish: Black Hard Coat Anodized
Type: Stripped
Caliber: 308 Win
Sights: None, Optic Ready
Barrel Length: N/A
Receiver Description: 7075-T6 Aluminum M4