AT3™ AR-15 Replacement Bolt – 5.56 NATO/.300 Blackout – Black Nitride
or 4 interest-free payments of $9.75 with
6 Magazines Per Order: Due to extreme volume, we are limiting sales of magazines to 6 per customer order. This applies to individual and bundled magazines. AT3 reserves the right to cancel any order over the 6 magazine limit.
- Free standard shipping on orders $139+ details
- 90-day no-hassle returns policy
- Backed by the AT3 Lifetime Warranty! what it covers
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From orders that included this itemProduct description
AT3 Replacement AR-15 Bolt
This AR-15 replacement bolt from AT3 Tactical easily replaces a broken bolt in your rifle. This bolt comes complete with extractor and ejector assemblies already installed in the 9310 steel, shot-peened bolt. Every bolt comes with a set of gas rings, as well as a mil-spec o-ring under the extractor. Don’t let a broken extractor or sheared locking lugs get you down – be prepared with a spare bolt from AT3 Tactical!
Specifications
- Caliber: .223/5.56, .300 Blackout, .350 Legend
- Finish type: Black Salt Bath Nitride
- Bolt Material: MPI tested 9310 Steel, Shot Peened
- Extractor Material: 4140 Steel
- Cam Pin Material: 8620 Steel
- Mil-Spec O-Ring and Gas Rings
Customer reviews 9
AT3 Tactical · Thank you for your review. We are so sorry to hear that your package was stolen. We understand how frustrating that can be. Please reach out to our customer service team and we will be happy to assist you with getting another one ordered. Thank you for your support and we look forward to providing you with a perfect product soon.
AT3 Tactical · Thank you so much for your review! We're thrilled to hear that you had a great experience with our AT3 AR-15 Replacement Bolt. We take pride in providing high-quality products and we're happy to know that it arrived on time for you. Thanks again for choosing AT3 and happy shooting!
AT3 Tactical · Thanks for taking the time to leave a review. We're so glad to hear that you're happy with your AT3 AR-15 Replacement Bolt. We strive to offer quality products at an affordable price. Thanks for choosing AT3!
AT3 Tactical · Thank you for the 5-star review! We are glad to hear that you are satisfied with the finish and function of our AT3™ AR-15 Replacement Bolt. We take pride in providing high-quality products for our customers. Thank you for choosing AT3 Tactical!
AT3 Tactical · Thank you for taking the time to leave a review for our AT3™ AR-15 Replacement Bolt. We are thrilled to hear that you found our product to be of good quality and a great price. It was our pleasure to provide you with a reliable back up option. We appreciate your support and we love having you as a customer. Thank you again for choosing AT3!
AT3 Tactical · Thank you for leaving a review for our AT3™ AR-15 Replacement Bolt in 5.56 NATO/.300 Blackout with Black Nitride coating. We are glad to hear that you are satisfied with your purchase. If you have any further questions or concerns, please do not hesitate to reach out to us. We appreciate your support and hope to continue providing you with quality products. Thank you for choosing AT3 Tactical.
AT3 Tactical · Thanks for sharing your feedback! We're glad you're satisfied with your purchase.
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Warranty & returns
Backed by the AT3 Lifetime Warranty!

All AT3 Tactical Brand Products carry a lifetime warranty against manufacturer’s defects.
This includes AT3 Red Dot Sights, Handguards, Iron Sights, and any other product that carries the “AT3 Tactical” or “AT3™” name. For other brands (ex. Magpul or Troy), please refer to the manufacturer’s warranty policy.
In the event that your AT3™ product becomes unusable, we will repair or replace the product at no charge to you.
If we cannot repair your product, we will replace it with a product in perfect working order of equal or better physical condition. The warranty is fully transferable, but we may require information about the original purchase to validate the authenticity of the product.
If your product is in need of warranty service, please contact AT3 Tactical to start the process
Our contact info is available here. To expedite processing, please provide your order information and description of the defect.
Please note: The AT3 Lifetime Warranty does not cover loss, theft, intentional damage or cosmetic damage that doesn’t affect the performance of the product.
90-day no-hassle returns
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.















