thebrassnuckles wrote:would the same type of thing happen with cast bullets?
Yes, if they are pure lead or nearly so, but then again you could not move them very fast for fear of leading the barrel, hence the work of BD and a bunch of others here with gas checked Hard Cast bullets. But one could get good terminal results with high lead bullets if they were hitting, say a deer, at speeds about 1000 fps or less. To do this the bullet is going to be a long way down range, which then will act like a 45 colt hitting the deer and that will have very satisfying results, that are well understood by any cowboy..