You would be amazed at the damage that a ping pong ball will cause when leaving the barrel at speeds in the neighborhood of 450 mph. One of my favorite things to shoot is ping pong balls and golf ball cores. Then the computer will tell you the theoretical muzzle velocity and then measure the actual velocity when you fire the gun. It is called a revolver because the cylinder revolves to move the cartridge into firing position.
Tommy gun A revolver is a handgun with a cylinder that holds the cartridges.
