I've only seen, in person, a revolver in this condition. It was a 4" Taurus that had been shot with 148 gr. wadcutter reloads and Bullseye powder. Nobody was injured and the person who made the reloads (a good buddy) swore up and down that it wasn't a double charge and I'm sure that he THOUGHT so. I have a S&W model 60-10 that I feel comfortable shooting with full house 158 gr. factory .357 ammo. I've shot a box of 50 factory loads out of it at one shooting session.