Description
This BCA AR-15 complete 5.56 Nato rifle length upper has a 20" heavy contour barrel with a stainless steel and black nitride finish with bear claw flutes, and features a 1:8 twist rate, with a rifle length gas system. It includes the new 15" MLOK rail, an M4 flat-top billet upper receiver, a BCA bolt carrier group, a flash hider, and a right-side charging (Gen2) handle (patent protected). This 5.56 Nato upper is compatible with any mil-spec AR-15 lower.
More Information
SKU 9551N-UASCH556RHB2018SSBCF-15M3
Weight (lbs) 7.250000
Magazine Capacity N/A
Barrel Length 20
Profile Heavy Barrel
Twist 1:8
Barrel Finish Black Nitride
Material 416R Stainless Steel
Thread Pitch 1/2 x 28
Caliber 5.56 NATO
Feed Ramp M4
Flutes Bear Claw
Gas System Rifle Length
Gas Block System 0.750
Charging Style Right Side Charging
Classification Complete Upper Assembly
Platform AR-15
Bolt Material E9310
Receiver Material Billet
