BCA AR-15 Complete Upper Assembly, 16" 4150 Black Nitride HeavyBarrel, 5.56 NATO, Carbine Length Gas System, 1:9 Twist Rate w/ 12" MLOK
- 16" Heavy Barrel
- 4150 Chrome Moly Vanadium
- Black Nitride Finish
- 1:9 Twist Rate
- 5.56 NATO Caliber
- Carbine Length Gas System
- M4 Flat Top Forged Upper Receiver
- BCA Standard BCG
- Charging Handle
- Bird Cage Flash Hider
The BCA AR-15 Complete Upper Assembly has a 16" heavy barrel made of 4150 chrome moly vanadium with a black nitride finish, a carbine length gas system and 1:9 twist rate. The assembly includes a 12" mlok rail, a upper receiver, a bolt carrier group, a charging handle and a bird cage flash hider. It is chambered in 5.56 NATO and machined with M4 feed ramps in the barrel extension.
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.
|Material||4150 Chrome Moly Vanadium|
|Thread Pitch||1/2 x 28|
|Charging Style||Rear Charging|