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Double Rifles, Single Shots & Combinations >> Double Rifles
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DarylS
.700 member


Reged: 10/08/05
Posts: 27633
Loc: Beautiful British Columbia, Ca...
Re: A Question for Reloaders of 9.3x74R
      17/03/11 01:06 AM

It seems strange for your brass to contract or shrink back .0025" to .0035" after pulling the ball out the neck.

Usual shrinkage or contraction is .001" - isn't it?. Might depend on how small the sizer makes them prior to the expansion stage. Normal size difference between a sized case and a bullet, .0015" for accuracy ammo and .002" to .003" for hunting ammo. That means, they should be .363" to .364" after sizing & expanding.

Excessive contraction usually happens if the brass is a bit too hard. Sounds as if this brass requires annealing.

Just out of curiosity, what do the necks measure if merely sized, not expanded?

--------------------
Daryl


"a gun without hammers is like a Spaniel without ears" King George V

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Subject Posted by Posted on
* A Question for Reloaders of 9.3x74R carpediem4570 16/03/11 11:19 AM
. * * Re: A Question for Reloaders of 9.3x74R Tatume   20/03/11 10:37 PM
. * * Re: A Question for Reloaders of 9.3x74R Tatume   21/03/11 03:22 AM
. * * Re: A Question for Reloaders of 9.3x74R Sparky   21/03/11 08:31 AM
. * * Re: A Question for Reloaders of 9.3x74R DarylS   17/03/11 01:06 AM
. * * Re: A Question for Reloaders of 9.3x74R DennisDaigger   17/03/11 10:48 AM
. * * Re: A Question for Reloaders of 9.3x74R carpediem4570   17/03/11 02:14 PM
. * * Re: A Question for Reloaders of 9.3x74R DennisDaigger   21/03/11 09:08 AM
. * * Re: A Question for Reloaders of 9.3x74R DennisDaigger   21/03/11 01:19 PM
. * * Re: A Question for Reloaders of 9.3x74R DarylS   22/03/11 11:08 PM
. * * Re: A Question for Reloaders of 9.3x74R carpediem4570   24/03/11 03:03 AM
. * * Re: A Question for Reloaders of 9.3x74R Tatume   17/03/11 09:38 PM
. * * Re: A Question for Reloaders of 9.3x74R DarylS   18/03/11 01:44 AM
. * * Re: A Question for Reloaders of 9.3x74R Tatume   18/03/11 01:51 AM
. * * Re: A Question for Reloaders of 9.3x74R DarylS   18/03/11 02:13 AM
. * * Re: A Question for Reloaders of 9.3x74R Sparky   18/03/11 12:42 PM
. * * Re: A Question for Reloaders of 9.3x74R carpediem4570   18/03/11 02:08 AM

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