Airsoft Premium 12g CO2 Cartridge, 10 Pack - Approved For ALL CO2 GUNS - TOPHATTER'S ARMORY DEALSPUFF DINO CO2 Cartridge 12g, suitable for Co2 powered airsoft BB gun. The perfect purified Co2 fully content within cartridge gives your gun best performer in every shot. 12 Gram CO2 Cartridge. One single cartridge provides approximately 100 150 shots for CO2 non blowback pistols and approximately 40 80 shots for CO2 blowback pistols. Features: CO2 12g cartridge Purified CO2 Stable Pressure Fits with CO2 airsoft pistols, CO2 air guns and more High