Yankee Hill Machine Thread Protector 5.56 1/2-28 .920 OD Stainless Steel

The Yankee Hill Machine Thread Protector is a stainless steel cap designed to protect the muzzle threads of your rifle barrel when a muzzle device is not installed. Compatible with 1/2-28 threaded barrels chambered in 5.56 NATO/.223, it features a .920 outer diameter. Prevents thread damage from handling, debris, and corrosion, ensuring a clean, undamaged surface when it's time to install a suppressor, flash hider, or other muzzle device.