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.
UPC
810097506329
Manufacturer
CMMG
Manufacturer Part Number
55BA290-AB
Shipping Weight
0.535
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