No, it isn't.
It is 2018, and you are not making any sense.
"Gun powder" also known as "black powder" was retired with the Brown Bess. For 2/3 century, it was replaced by Cordite, which produces far less smoke and far more kinetic energy.
Cordite is a family of smokeless propellants developed and produced in the United Kingdom since 1889 to replace gunpowder as a military propellant. Like gunpowder, cordite is classified as a low explosive because of its slow burning rates and consequently low brisance. These produce a subsonic deflagration wave rather than the supersonic detonation wave produced by brisants, or high explosives. The hot gases produced by burning gunpowder or cordite generate sufficient pressure to propel a bullet or shell to its target, but not so quickly as to routinely destroy the barrel of the gun.
http://en.m.wikipedia.org/wiki/Cordite
Cordite was replaced by increasingly more efficient propellants after WWII and "gun powder" is a quaint, historic expression used by singin' cowpokes 'round the campfire chawin' tarbakky.
Oh, and by the way, the material in the "fuse end" of a cartridge that explodes when struck is not the same stuff as the powdered (or stranded) propellant that sits behind the bullet
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