CMMG Mk4/AR15 Upper Receiver Assembly- Armor Black Cerakote

Expertly crafted from aircraft grade aluminum, CMMG Mk4/AR15 upper receiver assemblies come with a ZEROED Polymer Dust Cover pre-installed. Available in six 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.

Specifications:

• Platform: MK4/AR-15
• Upper receiver: Billet 6061 T6 Aluminum
• Finish: Armors Black Cerakote standard
• NO Forward Assist.