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AT3™ Cerakote Gray Castle Nut for AR-15 Buffer Tubes

SKU: AT3-Castle-01-GRY

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Secure Your AR15 Buffer Assembly with a Steel Castle Nut

This steel castle nut is an essential piece of an AR15 buffer tube/stock assembly.  With standard cuts for use with armorer’s wrench, and smaller cuts for “staking” the castle nut and endplate for a secure hold, this part does everything it should at a good price.  If you’re in need of a spare for a new build or replacing a damaged component, this one is right for you.

Specifications

  • Material: Steel
  • Finish: H-188 Magpul® Stealth Grey
  • Thread: Mil-Spec
  • Compatible with armorer’s wrench

Specifications:

ColorGray

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.

AT3 Lifetime Warranty Logo

All AT3 Tactical Brand Products carry a lifetime warranty against manufacturer’s defects.

This includes AT3 Red Dot SightsHandguardsIron 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.

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