- This BCA AR-15 Complete Upper has a 16″ barrel with a Heavy Barrel profile, made of 4150 Chrome Vanadium Steel with a Parkerized finish, and features a 1:24 Twist Rate, a Carbine length gas system
- The Upper includes a 15″ MLOK Rail, an M4 flat-top forged upper receiver with forwarding assist, a BCA Bolt Carrier Group, a Flash Hider, and a Charging Handle. It is chambered in 450 Bushmaster and machined with Single feed ramps in the barrel extension.
- 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.
- Choose an upper designed by a US company and made in the USA. Choose Bear Creek Arsenal.
|Material||4150 Chrome Moly Vanadium|
|Thread Pitch||5/8 x 32|
|Gas Block System||0.875|
|Gas Hole Diameter||0.070|
|Charging Style||Rear Charging|
|Product Type||Complete Upper Assembly|