MagnetoSpeed Riflekuhl Barrel Cooler. MagnetoSpeed s new barrel cooler Riflek hl is designed to get barrel temperatures down to intended operating levels quickly. The turbocharger-inspired impeller is engineered to produce great airflow in a small package. Powered by a single CR123A Lithium battery (included) ambient air is forced through the extendable nozzle down the bore of the rifle. Designed to seal and push airflow down the barrel where it s needed to efficiently cool barrels typically under 7 minutes. Riflek hl doubles as a chamber flag and features an exclusive built-in air filter to prevent dust and dirt from being blown into your rifle. Spend less time waiting and more time shooting with the MagnetoSpeed Riflek hl. Specifications for MagnetoSpeed Riflekuhl Barrel Cooler: Manufacturer: MagnetoSpeed Included Accessories: Belt/Pocket clip Condition: New Battery Type: Lithium-ion Battery CR123A Features of MagnetoSpeed Riflekuhl Barrel Cooler: Retractable nozzle Replaceable dust filter (50 Microns) Strong neodymium magnet secures device to chamber Included CR123 lithium battery lasts for dozens of range sessions Spring loaded retractable nozzle designed for compact and durable storage 3+ hour run time Chamber seal for increased cooling efficiency Red body serves as an empty chamber flag Package Contents: Magnetospeed Riflekuhl Barrel Cooler w/ Cr123a Battery The Magnetospeed Riflekuhl Barrel Cooler W/ Cr123a Battery is a quality addition to the MagnetoSpeed lineup. For more great deals on Weapon Accessories by MagnetoSpeed please browse our MagnetoSpeed Weapon Accessories page. MagnetoSpeed MSRK: Riflekuhl Barrel Cooler