My revolver cylinder throats all measure.358 with a .358 zz Minus pin gauge, and my bore slugs at .0.3564. I don't cast any more. Problem is, any of the boolits @ BHN 12 I have ordered from places on line ALL measure smaller than the .358 I specify.
I understand this is not an uncommon problem. My quandary is: shall I order .359 diameter boolits and run them through my .358 sizer, which I know is accurate, Or just shoot what I can get when I order .358 boolits, and hope obturation will take up the slack? My goal is 900-1000 fps for lead, and not much higher for jacketed.
A related problem: my dial caliper is really old...more than a quarter century, and I suspect it may not be a as accurate as it once was. Is it better to stick with a dial caliper, or is there maybe an electronic caliper (not Harbor Freight?) that is very accurate, and not really expen$ive at the same time?
Suggestions, wise counsel and experiences are welcome!