Combat Armory Thread Protector 1/2 x 28 (9mm & .357SIG Barrel) Knurled Thick Spiral in Rose Gold

Combat Armory Thread Protector 1/2 x 28 (9mm & .357SIG Barrel) Knurled Thick Spiral in Rose Gold. The Combat Armory thread protector is manufactured from solid Aerospace Materials. Designed to protect your threaded barrel when an accessory is installed. This thread protector is common to 9mm caliber threaded barrels. (