This Bear Creek Arsenal AR-15 Complete 5.56 Upper has a 16 M4 barrel with a parkerized finish, and features a 1:8 twist, with a carbine length gas system. It includes a 15" MLOK rail, a M4 flat-top billet upper receiver, a BCA Bolt Carrier Group, Flash Hider, and a rear charging handle. This 5.56 upper is compatible with any mil-spec AR-15 lower. This has the new handguard. Visit our YouTube channel to see our AR-15s and AR-10s in action and get answers to common questions about your gun.
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Bear Creek Arsenal manufactures all AR-15 rifles, complete upper assemblies, barrels, bolt carrier groups (bcg), and components in-house here in Sanford, NC. Choose an American-made AR-15 complete upper assembly from Bear Creek Arsenal, designed for high accuracy and backed by a lifetime warranty.
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*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.
It is the responsibility of the consumer to ensure all state, local, federal, and ITAR regulations are followed
|4150 Chrome Moly Vanadium
|1/2 x 28
|Gas Block System
|Complete Upper Assembly
What magazine/ammo does BCA recommend for each caliber?
Caliber Magazine Ammo Grain Weight Ammo Brands BCA Status AR15 - 223/5.56 MagPul PMAG, MFT 55, 69, 75 Sierra AR15 - ...
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