KAK OE-SPEC- 308 WIN 12.5" Carbine Gas, AR10 Barrel- Nitride

(8 reviews)
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VALUE-LINE 308 WIN 12.5" Carbine Gas AR10 Barrel- Nitride

• Chamber- 308 Winchester/ 7.62 NATO

• Length- 12.5"

• Gas system- Carbine Length

• Gas Block Size- .750

• Threads- 5/8-24

• Finish- Nitride

• Twist- 1:10

• Material- 41V50 Chrome Moly Vanadium

• Extension- DPMS LR-308

• Barrel dimpled for gas block set screw

• Marked for Caliber and Twist

• Weight- 34.8 OZ

• Fully Made In House From KAK Industry Produced Blanks

Medium Contour  

All Barrels Are Air Gauge Inspected for Correct Bore Size & Tolerances, completed Barrels are Inspected for Proper Headspace using Calibrated Gauging.  




  • 4

    Posted by Robert Gordner on June 21, 2023

    Have yet to actually put rounds through and use it but all in all solid barrel

  • 5
    Top Shelf Stuff!

    Posted by Rick A on March 2, 2022

    I built one of these for my personal use and LOVE IT! Seems crazy, but here in South Texas we don't get more than 200 yard shots anyway. This .308 cover the gammit for pigs and deer and is much easier to handle than a LONG RIFLE!

  • 5

    Posted by silverado dave on October 15, 2020

    Service is first class. Barrel looks very nice. It fit nice in the Aero upper. The gas block was a nice fit as well. I have had a very positive experience with both KAK and their product. I have been wanting to build a pistol 308 upper for some time now. The value line of barrels made it all possible. Thank You.

  • 5
    Great barrel

    Posted by Wesley on August 11, 2020

    Perfect fit to my Aero upper. Have not reached out to shoot groups at 100m but I have high hopes after the test firing/ initial sighting in. Great price, fit, and product what more could you ask for!

  • 5
    Great barrel at a great price

    Posted by Charles on July 14, 2020

    A high quality barrel at a price I couldn't pass up. The tolerances are perfect! It was a nice snug fit in the Aero upper and gives good accuracy. I only wish they used Fedex as a shipper. Mine arrived with the end of the barrel shoved through the side of the box. As well as delived to the wrong address. Not KAK's fault and the barrel was protected by plastic caps at both ends so no damage.

  • 5
    Good kit

    Posted by Sam on June 28, 2019

    Great pruduct. I'm no sniper but even when using tula ammo I can still get 1.5 moa with this barrel. Which I did not expect with it being 12.5. You did it again KAK!

  • 5
    Excellent option to the POF Build!

    Posted by Bryan San on October 31, 2018

    I bought this item to build the POF equivalent Pistol/rifle. This barrel is very accurate and a very quality barrel. Ensure that you use a HS or Cobalt (preferred) drill to drill into this incredibly made barrel if you dimple like I do. Yes, it is not dimpled but if you buy the KAK dimple jig there should be no problems! Love the KAK products on this well designed site. Great job to the men and women who make VERY Quality products and well protected shipping at KAK.

  • 5
    Accurate barrel

    Posted by Cody on May 25, 2018

    I was very shocked how well this 12.5" barrel performs. I haven't pushed it out far yet but I had a hour or so to burn and quick sighted in my leupold mk4 on my ar10 build. The barrel was mated with the Kak bcg and I had some wolf steel cased 145gr to break in the barrel. It shot hole in hole @ 75yards just resting on the back of a tailgate with wolf ammo. Amazing quality for the price, no extraction or feeding issues. The fit and finish was top notch in my M5 upper.