Stock Status: *Clearance* Standard Castle Nut
This castle nut is designed to be a replacement for worn parts or for a new custom AR-15 build, and it can also be used as a lock nut for buffer tube.
- Can also be used as a lock nut for buffer tube
- AR Castle Nut is designed to be a replacement for worn parts or for a new custom AR-15 build
- Compatible with AR-15
