Do you FEAR running out of air when hunting? Carrying extra air has never been easier with our Field Exchangeable Air tank Ready system. The EXTRA AIR Tank assembly includes a field interchangeable tank with built in valve, tank, and stock. Simply Unscrew the set screw holding the tank onto the body of the gun. Unscrew the original tank, Screw on the new tank, Tighten the gun set screw and get back to shooting. 
 
.48 Liter Carbon Fiber Composite 300 BAR Air Tank