BORE TEX Muzzle Cap Keep the bore and crown of the firearm barrel free from damage, debris, moisture, or any other foreign body that could obstruct, damage, or make firing the weapon unsafe or inaccurate. Internal coating prevents corrosion to the covered portion of the barrel. Integrated grab tab makes for easy on and off. Can be shot through, with minimal to no effect to accuracy or personal safety. [Safety First! Always treat firearms as if they are loaded!] 10X thicker and more durable than latex or tape.