AR-10/LR-308 Threaded Muzzle Brake Jam Nut for 5/8"x24
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.
- CNC machined high quality steel construction
- Matte black finish
- 5/8"x24 Thread Pitch
- Fits: AR-10, .308
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