CMMG Upper Receiver Assembly for Mk4/ AR15 Armor Black
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.
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“A review from a customer who benefited from your product. Reviews can be a highly effective way of establishing credibility and increasing your company's reputation.”