BC-15 | .300 Blackout Upper | 16" Parkerized Heavy Barrel | 1:8 Twist | Pistol Length Gas System | 15" MLOK

In stock
SKU
637N-UA300PHB1618P-15M3

We recommend Sierra Ammunition

$262.76

This BCA AR-15 complete 300 Blackout rifle length upper has a 16" heavy barrel with a parkerized finish, and features a 1:8 twist rate, with a pistol length gas system. It includes a 15" MLOK rail, an M4 flat-top forged upper receiver, a BCA bolt carrier group, a flash hider, and a rear charging handle. This 300 Blackout upper is compatible with any mil-spec AR-15 lower. This has the new handguard.

>Shop more .300 Blackout Uppers!

Magazine not included. Check out Magazines here!

 It is the responsibility of the consumer to ensure all state, local, federal, and ITAR regulations are followed.

* 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.

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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.

More Information
SKU 637N-UA300PHB1618P-15M3
Weight (lbs) 5.750000
Magazine Capacity N/A
Length 16
Profile Heavy Barrel
Twist 1:8
Finish Parkerized
Material 4150 Chrome Moly Vanadium
Thread Pitch 5/8 x 24
Caliber .300 Blackout
Feed Ramp .300 Blackout Feedramp
Flutes Non-fluted
Gas System Pistol Length
Gas Block System 0.750
Charging Style Rear Charging
Classification Complete Upper Assembly
Platform AR-15
Bolt Material E9310
Receiver Material Forged
Customer Reviews
Customer Questions
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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Ratings & Reviews

4.9
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