A steel jam nut (half nut) from Waters Rifleman in common rifle thread sizes for clocking of muzzle brakes, flash hiders and moderators.
WR recommend using a jam nut to tighten brakes as it doesn't interfere with metal elasticity, compared with integrated designs.
- High tensile steel hex nut
- Black finish
- Two threads deep on average (approx 5mm (0.195") deep)
Available on the following popular thread sizes:
- 1/2"x20 (19mm (0.75") across flats)
- 1/2"x28 (19mm (0.75") across flats)
- M14x1 (19mm (0.75") across flats)
- 5/8"x24 SMALL OD for sporter profile barrels (19mm (0.75") across flats)
- 5/8"x24 LARGE OD for heavy profile barrels (23mm (0.9") across flats)
- M18x1 (22mm (0.87") across flats)
- M18x1.5 (22mm (0.87") across flats)
- 3/4"x24 (23mm (0.9") across flats)
- 7/8"x24 (26mm (1.1") across flats)
- 1"x24 (29mm (1.14") across flats)