Description
This BCA AR-15 complete 5.56 Nato rifle length upper has a 16" M4 contour barrel with a parkerized finish, and features a 1:8 twist rate, with a carbine length gas system. It includes a 15" MLOK rail, an M4 flat-top billet upper receiver, a BCA bolt carrier group, a flash hider, and a left side charging (Gen 2) handle (patent protected) left ejecting. This 5.56 Nato upper is compatible with any mil-spec AR-15 lower.
More Information
SKU 539N-UALSCH556CM41618P-15M3
Weight (lbs) 5.300000
Magazine Capacity N/A
Barrel Length 16
Profile M4 Contour
Twist 1:8
Barrel Finish Parkerized
Material 4150 Chrome Moly Vanadium
Thread Pitch 1/2 x 28
Caliber 5.56 NATO
Feed Ramp M4
Flutes Non-fluted
Gas System Carbine
Gas Block System 0.750
Charging Style Left Side Charging
Classification Complete Upper Assembly
Platform AR-15
Bolt Material E9310
Receiver Material Billet
