This BCA AR-15 Complete Upper has a 10.5" 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 10" 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.

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.

Recommended Products:

M-450 (ASC-5rd)

Hornady Black 250 gr.

WARNING: This product can expose you to chemicals, such as lead and other petroleum products, which is [are] known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to : This product can expose you to chemicals, such as lead and other petroleum products, which is [are] known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov



