This BCA AR-10 Complete Upper has a 18" Straight Fluted heavy barrel with a black nitride finish, and features a 1:8 Twist Rate, a Rifle length gas system. It includes the new 15" MLOK Rail, an M4 flat-top billet upper receiver, a BCA Bolt Carrier Group, a Flash Hider, and a Charging Handle. It is chambered in 6.5 Creedmoor. This Slick Side upper has no forward assist or dust cover. This 6.5 Creedmoor is compatible with 1st gen DPMS low profile lowers.
WARNING: This product can expose you to chemicals, such as lead and other petroleum products, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to the California P65 Warning site.
Our uppers are made based on the DPMS Gen1 Low Profile model.
With the AR10, there are many different designs and models out there, and each company tends to create and design its own unique platform. For that reason, we cannot guarantee the fitment...
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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About the BC-10 | 6.5 Creedmoor Sporter Slick Side Upper | 18” Black Nitride Straight Fluted Heavy Barrel | 1:8 Twist | Rifle Length Gas System | 15” MLOK