Not just any cap and ball revolver, Sir......but the greatest handgun of all time, the '51 Navy Colt!!!!!
Given the history of that area during the Struggle and the well documented butchery your GG Grandfather must have been one mean dude. John McCorkle, "We ask no quarter and we will give no quarter."
That would be great if he kept a journal or wrote home about his experiences, man what a book that would be.