Why do people do co2 cartridges?

People use CO2 cartridges primarily for recreational activities, such as powering paintball guns, airsoft guns, and certain types of air rifles. They provide a convenient and portable source of compressed gas, allowing for quick and easy reloading. Additionally, CO2 cartridges are popular for use in carbonating beverages at home, enabling users to make sparkling water or soda efficiently. Their compact size and ease of use make them a favored choice in various applications.