AR-15 Upper Assembly – 18″ / 6.5 Grendel / 1:8 / 15″ Hera Keymod Handguard / Rail with BCG & CHH

Rated 5.00 out of 5 based on 1 customer rating
(1 customer review)

$399.00 $299.00

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Barrel: 18” 6.5 Grendel Melonite Barrel Chrome Moly

Twist Rate: 1:8

Feed Ramps: M4

BCG: Case Hardened 8620 Steel Nitride Coated, M4/AR-15 Compatible, Mil-Spec/MP Tested

Gas Block: Steel .750 Low Profile

Gas Tube: DGI Stainless Mid-Length

Muzzle Device: Steel A2 Style Flash Hider

Rail: 15″ Hera Arms Unmarked Free Float Keymod

Upper Receiver: Forged Upper Receiver

Upper Components: Mil-Spec Forward Assist, Mil-Spec Dust Cover, and Brass Deflector

Charging Handle: Mil-Spec Aircraft Aluminum



Failure to observe safe firearm handling practices may result in serious bodily injury or death. CBC Industries shall not be responsible for injury, death, or property damage resulting from faulty installation, misuse, illegal use, or modification of this product. Additionally, it is highly recommended that the firearm (as with all new firearms) is thoroughly inspected, cleaned and oiled prior to use.






Additional information

Weight 2 lbs
Dimensions 16 x 11 x 2 in


Barrel Length


Twist Rate

1 review for AR-15 Upper Assembly – 18″ / 6.5 Grendel / 1:8 / 15″ Hera Keymod Handguard / Rail with BCG & CHH

  1. Rated 5 out of 5


    This is another excellent upper from CBC!
    Straight out of the box, cleaned,lubed and off to the range. It preformed flawless!
    Zeroed in with 5 shots at 100yards , went to 150, 200 300 yards all hitting steel! Thank you CBC!

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