Aero Precision Receiver Lock Nut / Castle Nut
Mil-Spec Castle Nut for Secure Buffer Tube Installation
The Aero Precision Receiver Lock Nut (Castle Nut) is a high-quality, mil-spec component designed for securing the buffer tube on AR15 carbines with adjustable stocks. Manufactured to precise military specifications, this lock nut ensures a solid and dependable fit, making it an essential part of any AR15 build or upgrade.
Key Features:
- Mil-Spec Construction – Engineered for durability and reliability.
- Secures Buffer Tube – Ensures a tight and stable installation.
- Perfect for New Builds or Replacements – Ideal for assembling a new rifle or replacing worn-out parts.
- Made in the USA – Precision-machined to the highest quality standards.
Essential for AR15 Carbine Builds
Whether you’re building a new rifle or performing maintenance, the Aero Precision Receiver Lock Nut (Castle Nut) is a must-have component. Pair it with an Aero Precision receiver end plate and buffer tube for a complete, rock-solid assembly.
Product Information
| Manufacturer | Aero Precision |
|---|---|
| Platform | AR10 (DPMS), AR15, AR9 |
| Color | Black |
| Finish | Phosphate |
| Compatibility | Standard AR15 components, Standard DPMS AR10 Components |
| Weight | <1oz |
| Made in USA | Yes |












