BCA AR-15 Complete Upper Assembly 5.56 NATO, 16" 4150 Black Nitride Heavy Barrel, 1:7 Twist w/ 15" Lightweight Keymod
- 16" 4150 Black Nitride Barrel w/ 1:7 Twist
- Heavy Barrel Profile
- 5.56 NATO Caliber
- M4 Flat Top Upper Receiver
- Mid Length Gas System,
- BCA Standard BCG
- Charging Handle
- Bird Cage Flash Hider
The BCA Complete Upper Assembly has a 16" 4150 Black Nitride barrel, 1:7 twist rate and a 15" lightweight keymod. This complete upper receiver is chambered in 5.56 NATO and machined with M4 feed ramps (both in the lower and barrel extension) and comes with a BCA BCG and charging handle.
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.
|Material||4150 Chrome Moly Vanadium|
|Thread Pitch||1/2 x 28|
|Gas System||Mid Length|
|Charging Style||Rear Charging|
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