BCA AR-15 Half Upper Assembly 10.5” 4150 Parkerized Heavy Barrel, .300 Blackout, Pistol Length Gas System, 1:8 Twist w/ 10” MLOK Rail
- 10.5” Heavy Barrel
- 4150 Chrome Moly Vanadium
- Parkerized Finish
- 1:8 Twist
- 10.5” MLOK Rail
- .300 Blackout Caliber
- Standard BCA BCG
- Pistol Length Gas System
- M4 Flat-Top Forged stripped Upper Receiver
- NO BCG
- NO CHARGING HANDLE
This BCA AR-15 Upper has a 10.5” barrel with a Heavy Barrel profile, made of 4150 Chrome Moly Vanadium steel with a Parkerized finish, and features a 1:8 Twist Rate, a Pistol length gas system and .750 Gas Block.
The Upper includes a 10” MLOK Rail, and a M4 flat-top forged stripped upper receiver. It is chambered in .300 Blackout and machined with 300 Blackout feed ramps in the barrel extension.
This BCA AR-15 Upper, like all BCA products, is subjected to numerous QA/QC checks which for our firearms and complete upper receiver assemblies includes test firing prior to approval and shipment. This Rifle is also backed by our Bear Den Guarantee.
Choose an upper designed by a US company and made in the USA. Choose Bear Creek Arsenal.
|Color||Black/ Charcoal Grey|
|Material||4150 Chrome Moly Vanadium|
|Thread Pitch||5/8 x 24|
|Feed Ramp||.300 Blackout|
|Gas Block System||0.750|
|Gas Hole Diameter||0.1015|
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