"bear in mind that most if not all of the Ballard guns used cast iron frames and are suitable for Black Powder Only."
Good point, Goat.
I've heard stories over the years about Ballard receivers failing to stand up even when using Du Pont bulk smokeless powders even though they generated almost identical pressures as black powder.
"The gift which I am sending you is called a dog, and is in fact the most precious and valuable possession of mankind" -Theodorus Gaza
Baby Jesus cries when the fat redneck doesn't have military-grade firepower.