Cmmg Upper Receiver Assembly For Mk4/ Ar15 Armor Black 55BA290-AB
CMMG Upper Receiver Assembly for Mk4/ AR15 Armor Black
SKU: 533173
Manufacturer part number: 55BA290-AB
UPC: 810097506329
Expertly crafted from aircraft grade aluminum CMMG® Mk4/AR15 upper receiver assemblies come with our ZEROED® Polymer Dust Cover pre-installed. This upper receiver omits the forward assist for those looking for a sleek and stylish base to start a new AR15 build.