And within fifteen years was changed to 28 grains/230 grain bullet for the army. Soldiers said it kicked too much.
Black powder is messy, but if you want to go that route, there is a main category called Frontier Cartridge, and a side match category called The Plainsman where all four guns must use black powder. The Plainsman category must use percussion revolvers. Loading black powder cartridges & shotshells is a whole 'nuther ball game, research it before you try it!
Sometimes the squeaky wheel gets replaced...