CMMG Mk4/AR15 Upper Receiver Assembly Midnight Bronze 55BA290-MB. 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 for...

In stock
ShipAmount $0.00
RevType 2
Manufacturer CMMG
Sku 55BA290MB
Identity 21836663051