Protect your threaded 9mm Luger barrels with Rival Arms Thread Protector. crafted from 416R stainless steel with PVD coating in gold finish, this protector ensures lasting durability and corrosion resistance while adding a touch of elegance. designed for 1/2x28 threaded barrels, it offers reliable protection and a stylish appearance. Safeguard your firearm threads with this high-quality thread protector.