No difference
Depends on the range, your age, your demonstrated abilities to be safe, their insurance carrier, state law, etc..
That is the National Shooting Sports Foundation. They promote shooting sports. Gun control attempts to prevent ownership of guns used in shooting sports. No gun= no shooting sports.
A shooting iron is a gun.
The question can't be answered without knowing what type of shooting and what "gun" you mean (hand gun, long gun, centerfire, rimfire, muzzle loader, etc..)
by shooting it with a gun.
practice
Shooting solder at a special solder shooting range
Gun clubs, shooting ranges
The Gatling gun.
Depends on where the gun range is.
shooting it with anything is vandalism.
Freedom.