AR-15 Pistol Upper, .300 Blackout, 7.5” Barrel, 1:8 Twist, Pistol Gas System


AR-15 Pistol Upper

This.300 Blackout AR-15 Pistol Upper receiver, assembled by MCS, is one of our many options for an AR-15 Assembled Upper receiver. Our specialty is designing custom-built upper receivers that only use the best parts at the best prices. Our uppers will take advantage of the beauty and accuracy of a barrel manufactured by Bear Creek Arsenal. The stripped upper receiver will be manufactured by Cerro Forged USA and equipped with our custom-made dust covers, forward assists, and handguard rails.



Location: United States

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