A new range of Colonel Mustard muzzle brakes, flash hiders and accessories!
Finally! We've been trying to source jam nuts / lock nuts for the longest time! Use as an alternative to a crush washer to lock your muzzle brake or flash hider in place.
• Screws onto 5/8" x 24 threaded barrels
• Steel construction with smooth black Nitrate coating
• 3/4" across the flats and 13/16" at their widest point
• One piece