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This BCA AR-15 Complete Upper has a 16" barrel with an M4 Contour profile, made of 4150 Chrome Vanadium with a Parkerized finish, and features a 1:7 Twist Rate, a Carbine length gas system.
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 Rear Charging Handle. It is chambered in .223 Wylde and machined with M4 feed ramps in the barrel extension.