.457 round ball over an Ox Yoke Wonder Wad , over a 30gr Pyrodex pistol pellet , which is over 5-25 grains by volume of FFFg equivalent 777 ... fired by a #10 Remington Magnum percussion cap .
457 round ball over an ox yoke wonder wad over a 30gr pyrodex pistol pellet which is over 5 25 grains by volume of fffg equivalent 777 fired by a 10 remington magnum percussion cap