Bear Creek Arsenal 16″ Complete .223/5.56 Upper MLOK



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This BCA AR-15 Complete Upper has a 16″ M4 Contour barrel with a Parkerized finish, and features a 1:8 Twist Rate, a Carbine length gas system. It includes a 15 1/4″ 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.

Choose an upper designed by a US company and made in the USA. Choose Bear Creek Arsenal.

SKU 617-UA556CM41618P-15M3
Weight 5.3000
Length 16
Profile M4 Contour
Twist 1:8
Finish Parkerized
Material 4150 Chrome Moly Vanadium
Thread Pitch 1/2 x 28
Caliber 5.56 NATO
Feed Ramp M4
Flutes N/A
Gas System Carbine
Gas Block System 0.750
Gas Hole Diameter 0.070
Charging Style Rear Charging
Color Black
Dimpled Yes
Classification Complete Upper Assembly
Magazine Capacity N/A
Platform AR-15


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