List of the greatest gun fails of all time, ranked by how ridiculous and funny they are. You'd think that someone using a firearm would want to take as many precautions as they can, but some of these people are just plain stupid when firing their weapon. Whether it's trying to fire a magnum with one hand or shooting a shotgun that's too powerful for you, these idiots take the cake when it comes to gun fails and accidents. One video below even features a cop teaching a class on gun safety right before shooting himself in the leg.If you want to learn how to fire a gun correctly, this list certainly won't be of help to you. However if you want to see people hurting themselves in extremely embarrassing ways, then welcome home.