The number of shots provided per tank is really dependent on the tanks size. I am the captain of the Bullit Paintball team, and I usually use a 20oz tank. With my 20oz I will get anywhere between...
This can vary. CO2 itself is not very consistent, and the type of marker you are using will have an effect on this. Usually you can expect around 200-250 shots.
When using CO2 there is no set number of shots due to the spiratic nature when releasing the CO2 from the tank. CO2 is unreliable in the fact that the psi of the shots are not consistent and tend to...