If you are asking about the Crosman C02 pellet pistol then Yes that is what it is designed to power the pistol.
No.
12g,
It won't fit in the pistol.
Get the pistol, preferably a 1911, you get better velocity, and a smaller easier to carry pistol.
The c11 co2 pistol shoots at 480 Feet Per Second (FPS)
no it will ruin your gun if you do
It is possible.
It was designed for BB's .175 or .177
yes it is possible.
about 900 shots
This usually happens when the C02 is running out of gas.