Umarex High-Grade 12g CO2 Cartridges for Pellet Guns, BB Guns and Airsoft Guns - 12 Count Bulk Box

This 12-count pack of Premium Umarex 12-gram CO2 will keep your air guns running and help make the most of your air gun shooting dollars.  Umarex 12-gram CO2 is clean running and comes in specially designed cartridges that help minimize damage to the puncture seal of your favorite air guns. Features: CO2 quality is critically important to the health of your air gun; Ensure a lifetime of performance with this clean CO2 from Umarex. Tested and proven clean; Doesn't dirty your air gun valves. Number of rounds per capsule depends on the specific air gun.