I have a pickup load of different dies, lyman and herters being my least favorite, these cases haven't been loaded more than 2 or 3 times and sized like that the first time, I don't have any problems with other bottleneck cases using the lee dies, the next worse to size would be the 243 with rcbs dies, just wondering if it was the nickel or the 257 that is an s.o.b. to resize