12g CO2 cartridge
The CO2 cartridge is necessary for shooting pellets using the airgun. They're easy to use and convenient. They can be connected directly to the gun's containers to serve a variety of functions. Shelf life for many CO2 guns is long so you can use them until they're empty. Buy a high-quality, reliable CO2 cartridge. This is the best method to protect your air gun and have amusement.