CMMG Upper Receiver Assembly, Mk4/AR15 – Black
Expertly crafted from aircraft grade aluminium, CMMG® Mk4/AR15 upper receiver assemblies come with the 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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Expertly crafted from aircraft grade aluminium, CMMG® Mk4/AR15 upper receiver assemblies come with the 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.