Product Details

The Bear Creek Arsenal (BCA) AR-15 Complete Upper Assembly has a 24" spiral fluted heavy barrel made of 4150 chrome moly vanadium steel with a parkerized finish, a rifle length gas system and a 1:8 twist rate. The assembly includes a 15" lightweight keymod with a low profile gas block, an m4 flat top forged upper receiver with forward assist, bolt carrier group, flash hider and charging handle. It is chambered in 6.5 Grendel type II and machined with .300 black out feed ramps in the barrel extension.

  • 24" 4150 Parkerized Barrel w/ 1:8 Twist
  • Heavy Barrel Profile
  • Spiral Flutes
  • 15" LWKM
  • 6.5 Grendel Caliber
  • Rifle Length Gas System,
  • BCA Standard BCG
  • Charging Handle
  • Bird Cage Flash Hider
The BCA AR-15 Complete Upper Assembly, like all BCA products, is subjected to numerous QA/QC checks which for BCA firearms and upper receiver assemblies includes test firing prior to approval and shipment. This upper assembly is also backed by BCA's limited lifetime warranty. 

Additional magazines can be purchased HERE!

More Information

More Information
Category Gun Parts
Caliber 6.5 Grendel
Manufacturer SKU UA6.5RHB2418(PSF)-(15)LWKM3
UPC 11122233737
Condition New
Barrel Length 24"
Twist 1:8
Barrel Color Black
Color Black
Rail Keymod

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