Colt Forged M4 Upper Receiver Assembly
Built to the correct military specifications
Note: ‘M4’ marked upper, may have Square or Keyhole forge marking. May have CAGE code or dot matrix marking.
Features:
- Precision machined to correct Mil-Specs from 7075 T6 Forgings extension, providing the user with superior strength when dropped or when mortaring malfunction clearance drills.
- Fully Assembled with forward assist, and ejection port cover
- Mil-Std 1913 Rail for mounting optics and accessories
- Machined for use with barrels that use an M4 barrel extension
- Laser etched T-markings for addressing the remounting of optics
- Includes Mil-Spec Forward Assist with heat treated tool steel pawl, with press fit and pinned cap
- Hard Coat Anodized per Mil-A-8625F, Type III, Class2
- Dry Film Lube on interior bore per Mil-Specs
ROBERT (verified owner) –
Fit great with my Colt lower, fast delivery.
I carried Colts Arms in Southeast Asia, 5 years Military service.
Joseph (verified owner) –
Perfect condition and good to go!
Aaron (verified owner) –
Perfect quality, you can’t go wrong with one of these. Perfect fit and finish, as well as fast shipping from rooftop as always.