CO2 airguns offer one big advantage over many other kinds of airguns – you do not need to spend ages charging them yourself. You simply replace the CO2 like you would replace any other kind of ammunition! Due to their simplicity, these airguns have garnered a large following. That is why we at Just Air Guns offer an excellent range of CO2 for airguns, all available online here on this website, and designed to meet a wide range of our customer’s needs. Buy in bulk for great value, or just top off your existing stock with one of our many options below.