I bought a Weatherby .460 Euromark in college with misappropriated student loan funds. I tried to 'make back' my investment $5.00 a shot, selling the opportunity to shoot the thing at a range I worked at part time. That puppy was stout with hot handloads [young and dumb, check!], and one guy who went maybe 140 #'s took two steps back and promptly blacked out. Most I shot in a row was 12 rounds off the bench, and that left me with a magnum headache for a few hours. I have a .505 Gibbs on the way, which should be fun, but that .460 just clobbered you.