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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Firearms must ship to a licensed dealer (FFL), who completes the transfer and the required background check when you collect the item.
How FFL transfers work · Terms of sale · Product and legal restrictions
