Description
This Bear Creek Arsenal AR-15 Complete 5.56 rifle length upper has a 16" M4 with a black nitride finish, and features a 1:7 twist, with a mid-length gas system. It includes a 15" MLOK rail, a M4 flat-top forged upper receiver, a BCA bolt carrier group, flash hider, and a rear charging handle. This 5.56 upper is compatible with any mil-spec AR-15 lower.
More Information
SKU 608N-UA556MM41617M-15M3
Weight (lbs) 5.300000
Magazine Capacity N/A
Length 16
Profile M4 Contour
Twist 1:7
Finish Black Nitride
Material 4150 Chrome Moly Vanadium
Thread Pitch 1/2 x 28
Caliber 5.56 NATO
Feed Ramp M4 Feedramp
Flutes Non-fluted
Gas System Mid Length
Gas Block System 0.750
Charging Style Rear Charging
Classification Complete Upper Assembly
Platform AR-15
Bolt Material E9310
