CMMG AR-15 M4 .223 14.5" Complete Flat Top Upper Receiver
CMMG M4 Carbine Upper Receiver with a 14.5", 1:7 twist, chrome lined barrel. Features M4 cuts, pinned and welded Phantom flash suppressor and comes complete with bolt carrier assembly and charging handle. Overall barrel length is the legally required 16". No FFL required. |
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