Description
This steel AR-15 castle nut is virtually indestructible and works with commercial, military, and hybrid buffer tubes. It fits most AR-15s and AR variants, but it is not compatible with 308 rifles.
Products specifications
| Type | Castle Nut |
| Size | Mil-Spec |
| Material | Steel |
| Finish | Black |
| Model | AR-15 |
| Finish | Black |
| Type | Castle Nut |
| Model | AR-15 |
| Size | Mil-Spec |
| Material | Steel |