Black powder is relatively insensitive to shock and friction and has to be ignited by flame or heat. Though it's mainly been supplanted by smokeless powder being a propellant for ammunition in guns, black powder is still greatly employed for ignition costs, primers, fuses, and blank-fireplace prices in military services https://greatgotfirearms.com/product/goex-fffg-black-powder-1-lb-in-stock/