BCA AR-15 Complete Upper Assembly, 16" 4150 Parkerized M4 Contour Barrel, .300 Blackout, Carbine Length Gas System, 1:7 Twist w/ 15" MLOK

The BCA AR-15 Complete Upper Assembly has a 16" m4 contour barrel profile made of 4150 chrome moly vanadium steel with a parkerized finish, a carbine length gas system and a 1:7 twist. The assembly includes a 15" mlok rail, an m4 flat top forged upper receiver, a proprietary bolt carrier group, a charging handle and a bird cage flash hider. It is chambered in .300 Black-Out and machined with .300 blackout feed ramps in the barrel extension.

PLEASE NOTE: This item comes with our Gen 2 Rail. New Image coming soon.

The BCA AR-15 Complete Upper Assembly, like all BCA products, is subjected to numerous QA/QC checks which for our firearms and upper receiver assemblies includes test firing prior to approval and shipment. This upper assembly is also backed by our BCA limited lifetime warranty. Choose an upper assembly designed by a U.S. company and made in the U.S.A. Choose BCA.