BCA AR-15 Complete Upper Assembly, 16" 4150 Parkerized Contour Barrel, 6.5 Grendel, Carbine length gas system, 1:8 Twist w/ 15" MLOK
- 16" Black Nitride 4150 Chrome Moly Vanadium Barrel w/ 1:8 Twist
- Contour Barrel Profile
- 15" M-LOK Rail
- 6.5 Grendel Type II Caliber
- M4 Flat Top Upper Receiver
- Carbine Length Gas System, .750 Diameter Gas Block
- BCA Standard BCG
- Charging Handle
- Bird Cage Flash Hider
This complete upper assembly is chambered in 6.5 Grendel and machined with .300 blackout feed ramps (both in the lower and barrel extension) and comes with a BCA BCG and charging handle. This is the perfect upper for your next build.
The BCA Brown Bear 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||5/8 x 24|
|Caliber||6.5 Grendel Type II|
|Gas Block System||0.750|
|Charging Style||Rear Charging|
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