Have a few Subsonic .22 cartridges laying around, along with a few matches. Perfect! Make a bomb! This video tutorial will show you how to make a .22 cartridge case match bomb. Made with an empty (spent) .22 cartridge and three matches, this is bound to scare the hell out of anyone, as long as you have a hammer to set it off. This is so easy, yet so loud! If you want to make the coolest little explosive bomb, try this .22 shell case match bomb.