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.
ATI AR-15 Castle Nut, Fits All AR-15 Buffer Tubes
- Manufacturer: ATI
- Manufacturer Product Id: A5101020
- Healy SKU: 31-02-0101
- UPC: 758152900067
- Location: Warehouse S
- Availability: In Stock
- Availability Details: This product is NOT currently available in our retail store. This product is currently available for online purchase. It can be shipped to you or picked up in our store.