Description
This BCA AR-15 complete 6mm Arc upper has a 20" heavy contour barrel with a 416R stainless finish with straight flutes, and features a 1:8 twist rate, with a rifle 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 right-side charging handle (Gen 2) (patent protected). This 6mm Arc upper is compatible with any mil-spec AR-15 lower.
SKU 8998N-UASCH6MMARHB2018SSF-15M3
Weight (lbs) 6.000000
Magazine Capacity N/A
Length 20
Profile Heavy Barrel
Twist 1:8
Finish Stainless
Material 416R Stainless Steel
Thread Pitch 5/8 x 24
Feed Ramp .300 Blackout Feedramp
Flutes Straight Flutes
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
