KAK Industry K-SPEC Dual Ejector 5.56 NATO AR-15 Bolt

SKU: MO-303-0503-013

Click Here for Price
Out of Stock

Join the waitlist to be emailed when this product becomes available

Orders will Ship within 1 Business Day
KAK Industry K-SPEC Enhanced AR-15 Buffer with Flatwire Spring

KAK Industry K-SPEC Enhanced AR-15 Buffer with Flatwire Spring - H1


AT3™ Forged AR-15 Stripped Upper Receiver - Black


KAK Industry K-SPEC Dual Ejector 5.56 NATO AR-15 Bolt

The K-SPEC Enhanced AR15 Bolt is a high-quality bolt designed specifically for the 5.56/300 Blackout caliber. It incorporates a dual ejector system that sets it apart from other bolts on the market. This dual ejector system is unique because it uses mil-spec ejectors and springs, eliminating the need for proprietary parts. This ensures that users can easily find replacement parts if needed, without any hassle.

One of the key design features of the K-SPEC Bolt is the strategic placement of the ejector holes. These holes are centered on the lugs of the bolt, which prevents any reduction in the overall strength of the bolt. This means that even with the dual ejector system, the bolt remains robust and capable of withstanding high levels of stress and pressure.

Using a dual ejector system in the K-SPEC Bolt offers several advantages. Firstly, it significantly enhances ejection reliability. With two ejectors working in tandem, the chances of a malfunction or failure during ejection are greatly reduced. This is particularly important for those who rely on their AR15 rifles for self-defense, competition shooting, or any other high-stakes situations.

Additionally, the dual ejector system brings consistency to the ejection pattern. By ensuring that spent casings are consistently and forcefully ejected from the chamber, shooters can expect a more reliable and predictable shooting experience. This can be especially beneficial for those who require quick follow-up shots or engage in rapid-fire shooting.

KAK Industry, a renowned manufacturer with extensive experience in producing dual ejector bolts for the AR10/LR308 platform, has leveraged its expertise to create a durable and dependable dual ejector system specifically for the AR15 platform. With over a decade of experience, KAK Industry understands the intricacies of dual ejector systems and how to optimize their performance for different calibers and platforms.

Another advantage of the K-SPEC Bolt is its compatibility with all standard mil-spec BCG (bolt carrier group) components. This means that users can easily integrate the K-SPEC Bolt into their existing AR15-style direct impingement systems without needing additional modifications. This makes the transition to the K-SPEC Bolt seamless and hassle-free.

In summary, the K-SPEC Enhanced AR15 Bolt offers a high level of quality and performance for those in search of a reliable and durable bolt for their 5.56/300 Blackout caliber rifles. With its dual ejector system, it brings enhanced ejection reliability and consistency to the shooting experience. Backed by KAK Industry’s expertise and compatibility with standard mil-spec BCG components, the K-SPEC Bolt is a top choice for AR15 enthusiasts and professionals.


  • Bolt- 9310 steel, outside diameters ground to .0002 tolerances, MPI test, nitride finish
  • Extractor- 4140 steel, fully machined, Phosphate coated
  • Extractor pin- S7 tool steel, ground, heat-treated
  • Ejector- S7 tool steel, ground, heat treated
  • 1.44 oz


  • Brand: KAK Industry
  • Model: K-SPEC Dual Ejector 5.56 NATO AR-15 Bolt
  • MPN: MO-303-0503-013
  • Material: Steel
  • Finish: Phosphate, nitride, and heat-treated
  • Color: Black
  • Weight: 1.44 oz
  • Caliber: 5.56/.300BLK
  • Fit: AR-15

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.