P.R.O.V.E.
Take the gun and point it somewhere you don't want to get blown up. Then take all the bullets out and hope you didn't miss any.
"I aimed at the wall and took out all the bullets. Then I realized there was still one in the chamber.", @GunBro2000
"I emptied the magazine and still got shot in the leg.", @GunDude2022
"I took all the bullets out and still got a face full of gunpowder.", @GunBroDude"