CMMG Upper Receiver Assembly
The stock information shown above is very accurate and updated dynamically. In stock items are shipped the same day when ordered before 2pm, or can be collected after ordering. Warehouse items will arrive with us in the timescale shown. Collection is by appointment only and must be booked in advance. Our phone lines can get extremely busy and email is the most efficient way to communicate with us!
CMMG Upper Receiver Assembly, Mk4/AR15
Expertly crafted from aircraft grade aluminium, CMMG Mk4/AR15 upper receiver assemblies come with our ZEROED Polymer Dust Cover pre-installed. Available in seven different Cerakote finishes, this upper receiver omits the forward assist for those looking for a sleek and stylish base to start a new AR15 build.
PCC Compatibility
Featuring an enlarged ejection port, the CMMG Mk4 upper receiver can accommodate a variety of pistol calibers like 9mm, 10mm, .40 S&W, and .45 ACP and is 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.
Specification
- Platform Mk4
- Upper Receiver Billet 6061 T6 Aluminum
- Finish Cerakote Standard
Shipping Methods
Collection/On-Site Service
Collect your order from our premises in Hampshire or a Blue RPC club shoot. Have a chat with us and a browse whilst you're here!
Royal Mail 24
Despatched same working day if ordered before 1400, with next day delivery aim, but is dependant on Royal Mail.
International Shipping
Despatched same working day if ordered before 1400 GMT. Our website automatically detects your country, so if it lets you order it then we can ship there!
Firearms and Ammunition
See the RFD Transfer and Club Collection page for more details.