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Redding Type "S" dies, are they worth the extra money?

 
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  #22  
Old 02-11-2010, 04:15 PM
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Re: Redding Type "S" dies, are they worth the extra money?

I used Redding FL "S" dies for years before I did an experiment comparing those, RCBS, Forster, Forster factory honed neck, Lee RGB, and Lee collet dies.

The "S" dies are the worst of the bunch, but look the best and cost the most.
The Lee collet die is the best of the bunch, but looks the worst and cost the least.
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  #23  
Old 02-11-2010, 05:12 PM
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Location: South of Canada and North of Wyoming
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Re: Redding Type "S" dies, are they worth the extra money?

Quote:
Quote:
Originally Posted by Clark View Post
I used Redding FL "S" dies for years before I did an experiment comparing those, RCBS, Forster, Forster factory honed neck, Lee RGB, and Lee collet dies.

The "S" dies are the worst of the bunch, but look the best and cost the most.
The Lee collet die is the best of the bunch, but looks the worst and cost the least.
Can you elaborate?

Did you measure and compare the run out?
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  #24  
Old 02-11-2010, 05:49 PM
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Re: Redding Type "S" dies, are they worth the extra money?

I took populations of 10 fired .223 cases from my Ruger #1V.

*I measured the run out of each at the neck with a Sinclair concentricity gauge, and they all looked very good.
*I measured the length of each case.
*I sized 10 cases with each die.
*I measured the run out at the neck.
*I measured the length of each case.
*I primed, charged, seated with a bullet with a Forster sliding sleeve seater die.
*I measured the run out at the ogive and recorded it.
*I fired the rounds @ ~ 66kpsi chamber pressure.


I repeated the process several times and followed the growth of the die dedicated cases.
The brass went into the rifle eccentric and long.
The brass came out of the rifle concentric and shorter, and then came out of the sizing die eccentric and even longer.

1) In general, the pulling of a sizer ball through a neck makes the most error.
2) Next down the line in eccentricity causes is sizing.
3) The tiny effect of bullet seating is also measurable.

All of the above testing was done without any sizer ball effect, pulling or pushing.
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  #25  
Old 02-11-2010, 07:35 PM
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Location: South of Canada and North of Wyoming
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Re: Redding Type "S" dies, are they worth the extra money?

Sounds like quite a test. Thanks for posting.

I wonder if anyone else has done similar comparisons?
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