Doesn't make sense to me either
Still looking for an answer.
Just tried resizing some of that LC brass again.
Took the FL RCBS die out and cleaned it thoroughly then reset it.
Resized 15 LC cases perfectly.
Then resized one of the LC cases from Black Hills ammo.
Came out .005" shorter then the rest.
Also tried resizing a few of the Black Hills on the Dillon press with a Dillon FL die.
Same results - shoulder set back too far.
Hope to have a reloading buddy try so of it tomorrow.
Til then - still looking for answers.
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