This BCA AR-15 complete 5.56 Nato rifle length upper has a 16" heavy contour barrel with a stainless steel and black nitride finish with bear claw flutes, and features a 1:8 twist rate, with a carbine length gas system. It includes the new 11.5" 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). This 5.56 Nato upper is compatible with 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.
It is the responsibility of the consumer to ensure all state, local, federal, and ITAR regulations are followed
|Material||416R Stainless Steel|
|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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