Can blackpowder be made without a ball mill?
WEBSep 30, 2017 · Charcoal and potassium nitrate can be purchased premilled now, as well. Using a rock tumbler, you can make black powder faster by milling the charcoal and potassium nitrate separately. 3 component milling takes much longer to make good powder. Don't anybody get your knickers in a twist over that statement.