The Thompson Center Arms Extended Super Jag is a precision .45 caliber cleaning tool crafted from durable brass construction with a 4-inch length for effective firearm maintenance.Thompson Center Arms Extended Super Jag Model 9058R.45 caliber compatibility4-inch brass construction for durability and corrosion resistanceExtended design for thorough barrel cleaningProfessional-grade cleaning accessoryEssential for proper firearm maintenance this brass jag provides reliable performance for cleaning .45 caliber barrels ensuring optimal accuracy and firearm longevity.