No, the 22 Mag will not fit.
44 magnum and 44 special.
One is a rifle round, the other is a pistol round.
No. Two entirely different cartridges.
The Air Mag C11 (Airsoft) is designed to shoot 6mm Plastic BB's. The C11 BB pistol is designed to shoot .177 Caliber metal BB's.
50-500 usd
No. However, .38 Special ammo CAN be safely fired in a .357 Magnum firearm. Both cartridges use a bullet that is .357 in diameter- but the .357 magnum is longer, and more powerful.
It CAN be, but would have it checked by a competent pistol smith first.
NO. 44mag is much larger than the 44spec. You can however fire 44 special in 44mag.
You can only shoot what is printed on the barrel. Mag and short mag are not the same.
Each weapon will prefer a different load. Only way to find out is to shoot as many different bullet weights as you can.
That would be 38cal. ammo