OE-SPEC- 9MM Contract 8" AR15 Barrel (Slim)- Nitride

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9MM Contract 8" AR15 Barrel (Slim)- Nitride

• Chamber- 9MM

• Length- 8" (7.5" " when compared to a standard AR15 barrel for handguard measurements) 

• Threads- 1/2-36

• Finish- Melonite 

• Twist- 1:10

• Material- 41V50 Chrome Moly Vanadium

• Marked for Caliber and Twist

• Weight- 18.8 OZ

• Fully Made In House From KAK Industry Produced Blanks

Tapered Profile

As a high volume contract manufacturer for the firearms industry, KAK is able to leverage its machining capacity to bring the same quality parts that we provide to some of the biggest names in the industry, straight to the retail customer.  We manufacture our barrels from the raw material all the way to the complete product, all under our own roof.  Our barrels are fully inspected through the entire process, including air-gauging the bores, physical measurements of the threads and outer diameters, and 100% gauging of the headspace tolerance.  Our OE-Spec line provides you with the quality you demand and the value you desire.




AR15 Pistol Caliber


  • 5
    Flawless performance- fit, form function

    Posted by Jon on August 6, 2020

    Used with Aero upper. Flawless! Cleans up fast, love the finish and used with suppressor it ran great. Would gladly buy again!

  • 5
    8” 9mm barrel

    Posted by Brandon on April 27, 2020

    High quality and affordable, can’t go wrong with KAK/Greene mountain barrels. Will be buying my barrels from KAK now