Key Features
Universal AR Compatibility Universal castle nut compatible with AR-style platforms.
Secure Buffer Tube Retention Designed to securely retain the buffer tube on the lower receiver.
Precision-Machined Threads Precision-machined threads ensure proper fit and reliable retention.
Purple Custom Finish Purple finish adds a distinctive custom accent to AR builds.
Ideal for Builds or Replacement Suitable for new rifle builds or replacement applications.
Standard Receiver Extension Compatible Compatible with standard AR receiver extensions.
Materials
| Material | High-strength steel |
| Heat Treatment | Heat-treated for durability and long service life |
| Finish | Purple coated finish for corrosion resistance |
General Data
| Product Type | Castle Nut |
| Compatibility | AR-style platforms |
| Finish | Purple |
| Installation | Requires castle nut wrench (not included) |
| Function | Secures buffer tube to lower receiver |
| Use Case | Rifle assembly, maintenance, customization |