KAK Industry K-SPEC Enhanced AR-15 Buffer with Flatwire Spring

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AT3™ Mil Spec AR-15 Buffer Tube – Black


KAK Industry K-SPEC Enhanced AR-15 Buffer with Flatwire Spring

The KAK Industry K-SPEC Enhanced AR-15 Buffer with Flatwire Spring is a top-of-the-line buffer upgrade designed specifically for AR-15 rifles. Crafted with precision and attention to detail, this buffer is built to deliver exceptional performance and reliability.

One of the standout features of this buffer is its flatwire spring. Unlike traditional round wire springs, the flatwire spring provides enhanced stability and reduces recoil, resulting in improved accuracy and control. Whether you’re engaged in competitive shooting or simply enjoying some range time, you’ll appreciate the difference this buffer makes.

Not only does the KAK Industry K-SPEC Enhanced AR-15 Buffer with Flatwire Spring enhance the shooting experience, but it also contributes to the overall longevity and durability of your AR-15 rifle. By minimizing recoil and optimizing the cycling of the firearm, this buffer helps reduce wear and tear on critical components, ensuring long-lasting performance.

The KAK Industry K-SPEC Enhanced AR-15 Buffer with Flatwire Spring is available in various weights, allowing you to customize the recoil management of your AR-15 to your preference. Whether you prefer a lighter buffer for faster follow-up shots or a heavier buffer for reduced felt recoil, there is an option that suits your needs. Choose the weight that best complements your shooting style and optimize your shooting experience with this versatile buffer.

The KAK Industry K-SPEC Enhanced AR-15 Buffer with Flatwire Spring is a must-have upgrade for any AR-15 owner. With its superior performance, enhanced stability, and easy installation, it’s an investment that will greatly enhance your shooting experience. Upgrade your AR-15 rifle today with this high-quality buffer and experience the difference firsthand.


  • Reduces felt recoil
  • Enables faster follow up shots
  • Allows you to shoot faster with better accuracy
  • Length- 4″
  • Weight- H1, H2, and H3
  • Finish– Phosphate
  • Bumper color- Blue, Orange, and Gray
  • Extended length for proper bolt catch overtravel
  • Eliminates potential bolt bounce
  • Ships with KAK Buffer Install Tool



  • Brand: KAK Industry
  • Model: K-SPEC Enhanced AR-15 Buffer with Flatwire Spring
  • MPN: 522-0704-108, 522-0704-107, and 522-0704-106
  • Buffer Weights: H1, H2, and H3
  • Material: Steel and Aluminum
  • Finish: Phosphate
  • Color: Black

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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.

Customer Reviews

Based on 1 review
Bennie Barnes
Quality buffer and spring

Works good in my 762x39 pistol but I should of gotten the H3 buffer..

Thank you for your feedback! We are glad to hear that the KAK Industry K-SPEC Enhanced AR-15 Buffer with Flatwire Spring is working well for you. If you feel that the H3 buffer would better suit your needs, please don't hesitate to reach out to our customer service team for assistance with an exchange. We appreciate your support and hope you continue to enjoy your product.