The ATI Outdoors AR-15 Castle Nut, Black is a replacement part for AR-15.
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.
Specifications
- Brand: ATI Outdoors
- Fits: AR-15
- Color: Black
- Manufacturer Part #: A.5.10.1020
- UPC: 758152900067