BCA AR-15 Complete Upper Assembly: 20" 4150 Black Nitride Heavy Barrel, 6.5 Grendel Type II, 1:8 twist, Rifle Length Gas System w/ 15" MLOK
- 20" 4150 Black Nitride Barrel w/ 1:8 Twist
- Heavy Barrel Profile
- 15" MLOK
- 6.5 Grendel Caliber
- Rifle Length Gas System,
- BCA Standard BCG
- Charging Handle
- Bird Cage Flash Hider
The BCA Complete Upper Assembly has a 20" heavy barrel made of 4150 steel with a black nitride finish and a 1:8 twist rate. The assembly includes a 15" MLOK, a forged upper receiver, bolt carrier group, bird cage flash hider and a charging handle. It is chambered in 6.5 Grendel type II and machined with .300 black out 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||5/8 x 24|
|Caliber||6.5 Grendel Type II|
|Feed Ramp||.300 Blackout|
|Charging Style||Rear Charging|
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