Thread: OAL Help!
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Old February 22, 2011, 07:17 PM   #6
wncchester
Senior Member
 
Join Date: December 1, 2002
Posts: 2,832
"every round that is cranked out is + or - .010"."

A spread of 20 thou is a lot of variation. As you've learned, much of it is in the bullets themselves. Most of the rest comes from inconsistant operation of the press during seating; use the same stoke, pressure and timing. There is no way to "adjust" the press linkage because it's not needed.

No rifle cares a bit where a bullet tip hangs in space. All that matters is the jump to the rifling and that isn't nearly as critical as some presume, there is a seating range, usually 10-15 thou wide, in which the seating is as good as it needs to be.
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