AR-15 Complete Upper Assembly, 16" Parkerized 4150 Steel Heavy Barrel, Diamond Fluted, .223 Wylde, Carbine Length Gas System, 1:8 Twist w/ 12" MLOK Rail

AR-15 Complete Upper Assembly, 16

The BCA AR-15 Complete Upper Assembly has a 16" diamond fluted heavy barrel profile made of 4150 steel with a parkerized finish, 1:8 twist rate and a carbine length gas system. The assembly includes a 12" mlok rail, an M4 flat top forged upper receiver with forward assist, bolt carrier group, charging handle and flash hider. It is chambered in .223 Wylde and machined with M4 feed ramps in the barrel extension.

The BCA 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 made in the U.S.A. Choose right, choose accurate, and choose BCA.

Link to parts manufacturer


    16" Parkerized 4150 Chrome Moly Vanadium Barrel

    Heavy Barrel Profile

    1:8 Twist

    Diamond Fluted

    .223 WYLDE Caliber

    Carbine Length Gas System

    12" MLOK Rail

    BCA Standard BCG

    Charging Handle


no data

comments