Now you can mount any 5/8-24 end-of-barrel accessory on your Remington 700 rifle-including muzzle brakes, flash suppressors, compensators, sound suppressors, fake flash hiders and suppressors or any other legal end of barrel device-with this high-quality barrel thread adapter. This barrel thread adapter easily attaches to a Remington 700 plain muzzle using set screws. Removal of existing front sight may be required. Thread Adapter Features