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 1:7 twist rate, with a carbine length gas system. It includes a 15 1/4" MLOK rail, an M4 flat-top billet upper receiver, a BCA bolt carrier group, a flash hider, and a rear charging handle. This 5.56 NATO upper is compatible with any mil-spec AR-15 lower. This has the new handguard.
SKU 937N-UA556CM41617PBUR-15M3
Weight (lbs) 6.000000
Magazine Capacity N/A
Length 16
Profile M4 Contour
Twist 1:7
Finish Parkerized
Material 4150 Chrome Moly Vanadium
Thread Pitch 1/2 x 28
Caliber 5.56 NATO
Feed Ramp M4 Feedramp
Flutes Non-fluted
Gas System Carbine
Gas Block System 0.750
Charging Style Rear Charging
Classification Complete Upper Assembly
Platform AR-15
Bolt Material E9310
