The M5 .308 Stripped Upper Receiver is the perfect upper for your big bore rifle build. Forged from 7075- T6 aluminum, this stripped upper is precision machined to accept standard .308 components. Match this with our M5 .308 lower receiver for a solid and dependable fit. Features: M4 Feedramps .2795 takedown pin holes Lazer engraved T-marks DPMS High Profile (.210) Tang Includes: M5 .308 Stripped Upper Receiver in Anodized Black