I have just bought Redding's Competition seater die and adjusted it as per their instructions, that is, screwing it down in the press until the bottom of the die body contacts the shellholder, and backing it of a little, just to have the micrometer marks looking to the front.

But then, I cannot seat the bullets long enough, as desired, as I would totally unscrew the micrometer part of the die before reaching that point.

Can I gain COL by backing off the die the two, maybe two and a half full turns that I need? My concern is that by doing so the body of the case would not have good support inside the die and produce cartridges with bad bullet to case alignment.

The gun that I am loading for is a long theoated 7X57 Mauser.

Chamois