Gen 2 9mm Complete Upper Receiver, Rear Charging

New Frontier Armory

(1 review) Write a Review
4.63 LBS
Gen 2 9mm PC Complete Upper
Pistol Cal
BBL Length:
16", 8", 4"
Black Ano
Charge Handle Type:
Rear Charging

Gen 2 9mm Pistol Caliber Complete Upper


Specifications and Features of the 9mm Pistol Caliber Complete Uppers

  • Gen 2 Pistol Caliber Billet AR-9 Upper with integrated LRBHO
  • AR-9 9mm Bolt Carrier Group – BCG (Glock, Colt and MP5 Lower Compatible)
  • 9mm AR Barrel (1:10), 4", 8" or 16"
  • Lightweight Free Float Hand Guard, M-LOK
  • Standard ½” Crush Washer
  • Standard Flash Hider 9mm
  • Standard AR-15 Charging Handle

**Our Gen 2 9mm upper receiver is now compatible with our C5/G5 (MP5) Lower Receivers. The LRBHO feature will not however function with an MP5 lower. For use with MP5 lowers, simply remove the LRBHO wire and reinstall the cover plate. 

The New Frontier Armory 9mm Pistol Caliber Complete Uppers are proudly MADE IN THE USA by hard working American men and women.

Upgrade your AR-15 with the cutting-edge Gen 2 9mm Complete Upper Receiver, Rear Charging. Perfect for pistol caliber builds, this complete upper combines high-quality components for exceptional performance. It features a Gen 2 Pistol Caliber Billet AR-9 Upper with an integrated LRBHO, allowing you to effortlessly lock your bolt back on the last round. The 9mm AR Barrel has a precise 1:10 twist rate and comes in your choice of 4", 8", or 16" lengths.

The lightweight free float handguard of this complete upper is equipped with M-LOK slots, providing a sleek and functional platform for adding accessories such as lights, lasers, and grips. Made in the USA by skilled American craftsmen, you can trust in the quality and reliability of this product. Whether you own a Glock or Colt lower, the included 9mm Bolt Carrier Group (BCG) is compatible, ensuring maximum versatility.

Experience seamless operation with the standard AR-15 charging handle included in this complete upper. Additionally, a standard half-inch crush washer and flash hider are also provided. Upgrade your AR-15 with the finest components available and enjoy enhanced reliability and accuracy. Trust the Gen 2 9mm Complete Upper Receiver, Rear Charging for your pistol caliber needs and take your AR-15 to the next level.

Weight: 4.63 LBS
Dimensions: 28.00 x 4.00 x 4.00 in
Color: Black Ano

1 Review Hide Reviews Show Reviews

  • 5
    9mm upper

    Posted by MiKe on 7th Sep 2023

    Great deal I got in this upper. Fit and finish was awesome. Don’t let this upper pass you on by.

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