I use the Lee 457 405f and the 457 500f the 500 is closer in weight to the original round. I don't bother with paper patching. As to cases I mortgaged the house years ago and brought 25 SPANZ cases. 15 still work. I got some Bertram brass at auction for $3 a case a while back and probably need to think about dies or at least turn up a neck sizer for the Bertram.
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