The Riflekühl from MagnetoSpeed is a battery-powered barrel cooler that forces ambient air through the device and down the bore of your rifle to greatly decrease cooling times.
Compatible with many semi-automatic, bolt- and lever-action receiver designs, the lightweight, magnetic unit features an extendable nozzle that helps seal the chamber and further speed the cooling process, and a replaceable 50-micron dust filters prevents debris from being blown into the barrel.
The Riflekühl ships with one CR123A Lithium battery already installed and several replacement filters, and a belt/pocket clip allows for convenient carry. Price is $60.
For more information, please visit, magnetospeed.com.