ORIGINAL: Roskoe
I have used some of the 255 grain .452 hardcast bullets produced by Colorado Cast Bullets in Montrose, CO with good results. They are a Keith style bullet, but are very hard and don't expand much. Cost factor is very low. Accuracy was not quite as good as some of the other MZ specific bullets, like the Shockwave and Barnes Expander, but still good enough for most hunting - apple size groups at 100 yards. I understand that CCB also makes this bullet in pure lead for shooting bowling pins. Might be worth a try - I'm sure this one would expand to some degree.
Roskoe, You know your limitations and the limitations of this bullet. Thanks. Chap