This BCA AR-15 Complete Upper has a 16″ barrel with an M4 Contour profile, made of 4150 Chrome Vanadium with a Parkerized finish, and features a 1:8 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 5.56 NATO and machined with M4 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.
|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 www.P65Warnings.ca.gov|
Profile M4 Contour
Material 4150 Chrome Moly Vanadium
Thread Pitch 1/2 x 28
Caliber 5.56 NATO
Feed Ramp M4
Gas System Carbine
Gas Block System 0.750
Gas Hole Diameter 0.070
Charging Style Rear Charging
Product Type Complete Upper Assembly
Magazine Capacity N/A