CMMG Upper Receiver Assembly for Mk4/ AR15 Armor Black
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product code:55BA290-AB
UPC:810097506329
Brand:CMMG
availability: In stock
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.
