Thread: shell holders
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Old January 29, 2012, 03:39 PM   #7
dmazur
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Join Date: July 5, 2007
Location: Pacific NW
Posts: 1,308
Quote:
...would allow the case to be pushed up farther into the die yes? and would that not allow the case to be sized a bit farther down?
Yes, but you're going to use either the rifle's chamber or a gauge to set up the resizing die (right?), so just don't adjust it that far...

If you want to read more about this, here's one

http://thefiringline.com/forums/show...ght=case+gauge

If you do create "induced excess headspace" by over-resizing, you can quickly get into case head separations.

One of the worst instructions I've ever read for setting up a resizing die go essentially like this -

"Adjust die until it touches the shell holder, then lower the ram and turn CW another 1/4 turn. Lock the die."

That 1/4 turn is around 0.018", and the difference between GO and NOGO headspace is usually around 0.006".

Those who believe they can set up a resizing die without using something as a gauge are being extremely optimistic.
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