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Upper Receiver Assembly Mk4/AR15
Overview
- Upper receiver assembled from billet 6061-T6 aluminum with a ZEROED Polymer Dust Cover pre-installed.
- Finished in Cerakote Standard with seven Cerakote finishes available.
- Omit forward assist for a sleek base to start a new AR15 build.
PCC Compatibility
- Features an enlarged ejection port and can accommodate pistol calibers such as 9mm, 10mm, .40 S&W, and .45 ACP.
- Compatible with CMMG MkG, MkGs, Mk10, Mk9, and Mk17 lower receivers.
- Note: This upper is not compatible with CMMG fixed ejector Radial Delayed Blowback BCGs.
Lifetime Quality Guarantee
- All CMMG products are backed by a lifetime quality guarantee against material and workmanship defects.
Specifications
- Platform: Mk4
- Upper Receiver: Billet 6061 T6 Aluminum
- Finish: Cerakote Standard
Specifications
- Manufacturer:
- CMMG
- Category:
- upper-receiver
- Platforms:
- AR-15
- MPN:
- 55BA290
- Required Component:
- Yes
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