I got a box at a yard sale. Box say 1325 fps from a 7.5" barrel. I have a new model blackhawk and a 20" Rossi carbine, the blackhawk is a 45/8 barrel. The idea of firing it in either one is, well, sort of intimidating. No grizz, bison or elk here. Seems a bit much for piggies. Whats it good for...