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 their M5 .308 lower receiver for a solid and dependable fit.

Features :
  • M4 Feedramps
  • .2795 takedown pin holes
  • Laser engraved T-marks
  • DPMS High Profile (.210) Tang)
  • Includes port door and forward assist

Direct Link: https://3crtactical.com/aero-precision-m5-ar-10-assembled-high-profile-upper-receiver-kodiak-brown-anodized/