This BCA AR-15 complete 5.56 Nato rifle length upper has a 16" M4 contour hammer forged barrel with a black nitride finish, and features a 1:7 twist rate, with a carbine length gas system. It includes a 15" MLOK rail, an M4 flat-top billet upper receiver, a BCA bolt carrier group, a flash hider, and a right-side charging (Gen2) handle (patent protected), and fits on any mil-spec AR-15 lower.
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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.
|Material||4150 Chrome Moly Vanadium|
|Thread Pitch||1/2 x 28|
|Feed Ramp||M4 Feedramp|
|Gas Block System||0.750|
|Charging Style||Right Side Charging|
|Classification||Complete Upper Assembly|
What magazine/ammo does BCA recommend for each caliber?
These are brands that BCA uses in the facility to test fire our products. However, there are several brands that will also function properly. Caliber Magazine Ammo Grain Weight Ammo Brands BCA Status AR15 - 223/5...
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