MagnetoSpeed RifleKuhl Barrel Cooler, Red Overview The MagnetoSpeed RifleKuhl Barrel Cooler is engineered to rapidly reduce barrel temperatures, allowing shooters to spend less time waiting and more time firing. Using a turbocharger-inspired impeller, this compact device forces ambient air directly down the rifle bore through its extendable nozzle, cooling the barrel efficiently in minutes. With its integrated chamber-flag functionality and built-in air filter, it provides both performance and safety for extended range sessions. Key Features Turbocharger-inspired impeller for high-efficiency airflow Extendable nozzle for directing air down the bore Chamber-sealing design for improved cooling efficiency Replaceable 50-micron dust filter to protect the firearm interior Strong neodymium magnet for secure chamber attachment Red body doubles as an easy-to-see chamber flag Includes belt/pocket clip for convenient carry Powered by a single CR123A lithium battery (included) Specifications Material: Polyurethane (PU) Dimensions: 3.25" D x 7.75" W x 1.75" H Weight: 0.24 lb Battery Type: CR123A Lithium Run Time: 3+ hours Included Accessories: Belt/pocket clip, CR123A battery MPN: MS_RK UPC: 855036004207 Applications Ideal for range shooters, precision rifle competitors, and hunters who need to cool their barrels quickly between strings, maintain consistent accuracy, and keep firearms safe and debris-free. Additional Features Compact spring-loaded nozzle for easy storage Designed for dozens of range sessions per battery Prevents dust intrusion with built-in filtration system