NC:BLACKPOWDER HERE UP NORTH CAN'T BE FOUND MAYBE IN PA.OR MAINE NOT ON LONG ISLAND.I USE PYRODEX SELECT IN BOTH MY 54 @ 50 CAL YOU CAN LOAD PYRODEX AS SAME WEIGHT AS BLACKPOWDER.ONLY ON THE NEW TRIPLE 777 YOU HAVE TO REDUCE THE CHARGE BY 15 PERCENT