Micrometer seating die?

[Flyeralan]

Great question, my take on this is that I leave the die set. The difference must come from ogive changes on the bullets. If I am wrong, I'd love to know.

[Sgt Greybeard]

Great question, my take on this is that I leave the die set. The difference must come from ogive changes on the bullets. If I am wrong, I'd love to know.

In my experience so far, you are correct. Variances with a thou or thou and a half are normal.

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