For the BB guns that take CO2, I used Crosman brand CO2 cartridges. I fired a single 20-shot group with each BB gun to test accuracy. I shot the rifles at a distance of 15 yards, and the handguns ...

12-GRAM CO2 POWERLETS - Compatible with most air rifles and air pistols SNUG FIT, SOLID SEAL - For reliable and consistent performance 40-COUNT BOX - Ideal for the air gun target sport enthusiast ...