Deal

The Upper includes a 15" MLOK Rail, an M4 flat-top forged upper receiver with forwarding assist, a BCA Bolt Carrier Group, a Flash Hider, and a Charging Handle. It is chambered in 5.56 NATO and machined with M4 feed ramps in the barrel extension. from Bear Creek Arsenal (Product 728-UASC556CM41618P-15M3)

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