No , secret to making top accuracy bullets is best jackets, consistent cores all being made through one set of dies & being able to "feel" ANYTHING that is different.
Often when making bullets the hand will feel something different that the eye, micrometer & scales can't pick up but those ones go in the reject pile which I use.
Sometimes you do see find something wrong but it takes quite a bit to find it, but the "feel" on the press tells me there is something wrong.
Besides I have to have something to do when its cold & wet!
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