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Description: This BCA AR-10 Complete Upper has a 20" heavy barrel with a black nitride straight fluted finish, and features a 1:8 Twist Rate, a Rifle length gas system. It includes the new 15" MLOK Split Rail, an M4 flat-top forged upper receiver, a BCA Bolt Carrier Group, a Flash Hider, and a rear charging handle. It is chambered in 6.5 Creedmoor.
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