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 12" 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.
*Note – We strive to provide the most accurate photographs of our product. Variations may occur in the skeletonized section of the handguard/flash hider you receive.