Bear Creek Armory's (BCA) AR-15 Complete Upper has a 16” barrel with a heavy profile, made of 4150 steel with a Parkerized finish, and features a 1:24 Twist Rate, a Carbine length gas system and .875 Gas Block. The Upper includes a 15” MLOK Rail, an M4 flat-top forged upper receiver with forward assist, a B.C.A. Bolt Carrier Group, an LS Flash Hider, and a Charging Handle. It is chambered in .450 Bushmaster and machined with a single feed ramp in the barrel extension.
This upper ships out with three test casings.
- 16” Heavy Barrel
- 4150 Chrome Moly Vanadium
- Parkerized Finish
- 1:24 Twist
- 15” MLOK Rail
- .450 Bushmaster
- Carbine Length Gas System
- M4 Flat-Top Forged Upper Receiver
- Standard Bear Creek Arsenal Bolt Carrier Group
- Charging Handle
- LS2 Flash Hider
This BCA AR-15 Complete Upper, like all BCA products, is subjected to numerous QA/QC checks which for BCA's firearms and complete upper receiver assemblies includes test firing prior to approval and shipment. This rifle is also backed by BCA's Bear Den Guarantee.