A staple of the game of airsoft for decades, the 20oz airsoft CO2 tank offers plenty of shots per fill with compatible guns, and is a simple, affordable way to power your paintball gun for between 700 and 1000 shots! Equipped with a high-quality pin valve that will thread into a gun's bottle adapter and a safety burst disk to vent the air in the case of overpressure in the tank, the Valken 20oz CO2 tank is an essential piece of airsoft gear!