Forged M4 upper receiver is T marked and has M4 feed ramp cuts
Semi Auto bolt carrier
A1 Buttstock
Mil-spec .250 diameter take-down pins
Barrels are engraved CMMG MPC 5.56 NATO 1:8. Each upper is head
spaced and test fired before shipping. The upper is built off of our
standard forged A3 receiver with M4 feed ramps.
The upper includes a low profile gas block and free float tube.
