How to Make Gunpowder: 8 Steps (with Pictures)
Obtain charcoal. You can use standard charcoal that you buy to cook with your grill, which you'll need to grind to a fine powder. If you're a purist, make your own charcoal by filling a metal drum with 3-inch pieces of willow or another wood, then placing the drum in a bonfire with a loose lid on top (to allow for airflow). Keep the bonfire piping hot for 4-6 hours, …