KAK Industry 13.9 Inch OE-SPEC 7.62×39 AR-15 Barrel

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Reliable 7.62×39 Performance with KAK’s 13.9″ Barrel

Enhance the capabilities of your AR-15 rifle with the KAK Industry 13.9 Inch OE-SPEC 7.62×39 AR-15 Barrel. This meticulously crafted barrel is designed to deliver hard-hitting performance while maintaining a compact and versatile profile.

Featuring a true .311 bore, this barrel ensures optimal accuracy and reliability with 7.62×39 ammunition, making it an indispensable addition to your firearm collection. The 13.9-inch length strikes a perfect balance between maneuverability and ballistic performance, catering to various shooting applications.

Whether you’re seeking improved accuracy for target shooting or a reliable companion for your outdoor adventures, the KAK Industry 13.9″ Barrel stands as a testament to quality craftsmanship and exceptional performance. Elevate your shooting experience with this precision-engineered barrel, where form meets function seamlessly.


  • Brand: KAK Industry
  • Model: 13.9 Inch OE-SPEC 7.62×39 AR-15 Barrel
  • MPN: 122-0203-003
  • Chamber: 7.62×39 (311 Bore)
  • Length: 13.9″
  • Gas System: Carbine
  • Gas Block Size: .750
  • Threads: 5/8×24
  • Finish: Nitride
  • Twist: 1:9:5
  • Material: 41V50 Chrome Moly Vanadium
  • Barrel Extension: M4 Feed Ramps
  • Weight: 26.08 OZ


Have Questions About this Product?

The AT3 Tactical store has a 90 day no-hassle return policy for products in good condition. You can view the full details of our return policy here.

If you encounter an issue or defect with a product after 90 days of your purchase, you can refer to the manufacturer for a warranty claim. Their policies are below.

KAK Industry Warranty Information

Our #1 priority is your 100% satisfaction. If any product you purchase from us ever fails to 100% meet or exceed your expectation, please contact us via telephone or EMAIL and we will attempt to resolve the situation to your satisfaction. If you need to return an item, returns are accepted subject to the following guidelines:

No Returns or Refunds are allowed after 30 days from Invoice Date.

  • Shipping costs both ways are non-refundable. Orders that were shipped to you at no charge with a “Free Shipping” offer will have the cost of the original shipping deducted from the refund amount.
  • New items that have been used may not be returned unless defective.
  • Returns must include all accessories as shipped. Refunds will be adjusted for returns missing accessories, factory boxes, etc. or may be returned to the customer at the customer’s expense, at our option. If you are keeping or have lost some of the pieces, please don’t return the item.
  • Items marked Closeout or Blem, as well as Special Orders may not be returned and their sale is final.
  • Items that are Custom contract manufactured may not be returned and their sale is final unless defective
  • Returned items may be subject to a restocking fee.
  • Any damaged shipments must be reported to the carrier immediately for proper claim handling.
  • All returns must be prepaid. Insurance on returns is at your option and at your expense and risk. COD returns will NOT be accepted and the package will be returned to you.

Contact Details

Address: 2241 Celsius Ave, Unit C, Oxnard, CA 93030
Telephone: 805-981-4734
Email: sales@kakindustry.com

Disclaimer: Manufacturer’s warranty is subject to change without prior notice.