This
Jam Nut is used in place of a crush washer or shim kit to properly
align a muzzle brake. It can be threaded onto the barrel before the
muzzle device and then backed out to tighten against the back side of
the brake.
Features:
- CNC machined high quality steel construction
- MATERIAL: STAINLESS finish
- 1/2"x36 Threaded Pitch
- Fits: AR-15
