Stun guns are legal in most states, but some might not be okay with it. A stun gun can definitely seem to be a lot but it’s one of the most useful self-defense weapons you can come across. Remember to put it in a checked package rather than any random carry-on. It is good to be aware of the odds, so, we’re gonna spill the beans, there is a fair amount of chance you might get into trouble if you carry stun guns in public transportation without a permit. Some stun guns don’t need a permit while others do, so just look into the rules yourself to find out more.