BCA 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

SKU# 2061 | by Bear Creek Arsenal
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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 and made in the U.S.A. Choose BCA.

BCA DOES NOT recommend using steel cased ammo in our Assemblies or Rifles.

Length 16
Profile Heavy Barrel
Twist 1:8
Finish Parkerized
Material 4150 Chrome Moly Vanadium
Thread Pitch 1/2 x 28
Caliber .223 Wylde
Feed Ramp M4
Flutes Diamond Flutes
Gas System Carbine
Gas Block System 0.750
Gas Hole Diameter No
Charging Style No
Color No
Dimpled No


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Bangor, Pennsylvania

Can’t beat the price

Upper came fast, packaging was a little rough but the product had no damage. Ate through 60 rounds of cheap junk ammo with no issues, quality and fitment were excellent. I’m happily surprised and impressed with what I received for the price.

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