CMMG 55BA22C AR MK4 Upper receiver assembly AR-15 .223 7075 T6 Aluminum Black
$119.43$91.87
CMMG Mk4 upper receiver Assembly with dust cover and forward assist installed. Perfect to start a build. Does not come with charging handle bolt carrier group, barrel nut or delta ring. It is forged of 7075 T6 aluminum.
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