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Shooting & Reloading - Mausers, Big Bores and others >> Rifles

mauserand9mm
.400 member


Reged: 03/09/09
Posts: 1039
Loc: Queensland, Australia
Re: Range Report 35.303
      09/03/11 09:01 AM

I guess the point is that a rimmed, small shouldered case will last well if the headspacing is set to be correct (tight?) on the rim. Improved cases usually have larger (stronger) shoulders than the parent cases and headspacing on the shoulder instead of the rim will work to give good case life. There are exceptions where it doesn't help - soft brass (and maybe excessive firing pin protusion and strong springs?).

I would definately recommend rim headspacing on the 303 parent cartridge and the 35cal+ derivatives on the 303 case. I think the 27cal and below have a fairly decent shoulder and shoulder headspacing would be okay. I understand that quite a few people have 35 cal derivatives that do work with shoulder headspacing but this will not be the experience for everyone.

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Subject Posted by Posted on
* Range Report 35.303 Perry 20/02/11 07:34 PM
. * * Re: Range Report 35.303 Ben   20/02/11 07:54 PM
. * * Re: Range Report 35.303 NitroXAdministrator   21/02/11 12:44 AM
. * * Re: Range Report 35.303 DarylS   21/02/11 03:50 AM
. * * Re: Range Report 35.303 Perry   21/02/11 07:58 AM
. * * Re: Range Report 35.303 DarylS   21/02/11 11:37 AM
. * * Re: Range Report 35.303 Bindi2   07/03/11 10:55 AM
. * * Re: Range Report 35.303 DarylS   08/03/11 05:22 AM
. * * Re: Range Report 35.303 Bindi2   08/03/11 11:18 PM
. * * Re: Range Report 35.303 DarylS   09/03/11 08:35 AM
. * * Re: Range Report 35.303 mauserand9mm   09/03/11 09:01 AM
. * * Re: Range Report 35.303 450_Ackley   09/03/11 07:17 PM
. * * Re: Range Report 35.303 Con   10/03/11 09:56 PM

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