CMMG .223 Rem/5.56 16.1" M4 Barrel Sub-Assembly, Salt Bath Nitride Black - 55DE10A
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159.99
$217.99
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CMMG .223 Rem/5.56 16.1" M4 Barrel Sub-Assembly, Salt Bath Nitride Black - 55DE10A, Perfect for building your custom AR15 upper group. Comes with properly installed M4 barrel extension. All barrel sub-assemblies are properly headspaced.Features:Carbine length gas port0.75 inches gas journal