BCA 47 AR-15 Complete Upper Assembly, 16" 4150 Parkerized Heavy Barrel, 7.62x39, Carbine Length Gas System, 1:10 Twist, Standard Hand Guard w/ Front Sight, Spiral Flash Hider

Special Price $199.90 was $285.57
In stock


  • 16" 4150 Parkerized Barrel w/ 1:10 Twist
  • Heavy Barrel Profile
  • Standard Hand Guard
  • 7.62x39 Caliber
  • M4 Flat Top Upper Receiver
  • Carbine Length Gas System, .750 Diameter Low Profile Gas Block
  • BCA Standard BCG with Standard BCA Bolt
  • Charging Handle
  • BCA Spiral Flash Hider

The BCA 47 Upper Assembly has a 16" heavy barrel made of 4150 steel with a parkerized finish, a 1:10 twist rate and a carbine length gas system. The assembly includes a standard hand guard with an A2 front sight, an M4 flat top forged upper receiver with forward assist, a bolt carrier group and a charging handle. It is chambered in 7.62x39 and machined with .300 Blackout feed ramps in the barrel extension.

PLEASE NOTE: This item has our new BCA Spiral Flash Hider, not the birdcage flash hider shown in the image. We will be updating the image soon.

The BCA 47 AR-15 Complete Upper Assembly, like all BCA products, is subjected to numerous QA/QC checks which for our firearms and upper receiver assemblies includes test firing prior to approval and shipment. This upper assembly is also backed by our BCA limited lifetime warranty. Choose an upper assembly designed by a U.S. company made in the U.S.A. Choose BCA.

More Information
Weight 4.0000
Length 16
Profile Heavy Barrel
Twist 1:10
Finish Parkerized
Material 4150 Chrome Moly Vanadium
Thread Pitch 5/8 x 24
Caliber 7.62x39
Feed Ramp .300 Blackout
Flutes N/A
Gas System Carbine
Gas Block System 0.750
Charging Style Rear Charging
Color Black
Platform AR-15