BCA AR-15 Complete Upper, 20” 4150 Black Nitride Finish Heavy Barrel, 5.56 NATO, Rifle Length Gas System, 1:7 Twist w/ Standard Hand Guard
- 20” Heavy Barrel
- 4150 Chrome Moly Vanadium
- Black Nitride / Melonite Finish
- 1:7 Twist
- Standard Hand Guard
- 5.56 NATO
- Rifle Length Gas System
- M4 Flat-Top Forged Upper Receiver
- Standard Bear Creek Arsenal Bolt Carrier Group
- Charging Handle
- Birdcage Flash Hider
This BCA AR-15 Complete Upper has a 20” barrel with a heavy profile, made of 4150 steel with a Black Nitride finish, and features a 1:7 Twist Rate, a Rifle length gas system and .750 Gas Block.
The Upper includes a Rifle Hand Guard, an M4 flat-top forged upper receiver with forward assist, a BCA Bolt Carrier Group, a Birdcage Flash Hider, an A2 front sight, and a Charging Handle. It is chambered in 5.56 NATO and machined with M4 feed ramps in the barrel extension. This Upper ships out with three test casings.
This BCA AR-15 Complete 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.
|Charging Style||Rear Charging|
|Gas Block System||0.750|
|Gas Hole Diameter||0.093|
|Material||4150 Chrome Moly Vanadium|
|Thread Pitch||1/2 x 28|
|Product Type||Complete Upper Assembly|
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