Guntec USA AR-15 Castle Nut For Car/M4 Buffer Tube

Upgrade your AR15 with the Guntec AR15 Castle Nut Car/M4 MilSpec. This high-quality castle nut is produced by Guntec USA and is designed to meet MilSpec standards for durability and performance.

- Compatible with AR15 rifles
- Precision-engineered for a secure fit
- MilSpec design ensures reliability
- Made in the USA

Enhance your firearm build with the Guntec AR15 Castle Nut Car/M4 MilSpec, now available for purchase.