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Shooting & Reloading - Mausers, Big Bores and others >> Big Bore Rifles
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4seventy
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Reged: 07/05/03
Posts: 2210
Loc: Queensland Australia
Re: 458 Winchester Magnum Question
      18/12/09 06:59 PM

Yeah, I understand the crusher pressure measuring system, and CUP vs PSI etc.
The Poms also used a copper crusher system, but they located it at the breech instead of through the chamber wall.

The main reason for my question about the 30" test barrel is really related to whether the velocity for Winchester factory .458 ammo was quoted as from a 30" barrel, or was it recalculated down to the 25" length of their Model 70 rifle barrel?

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Subject Posted by Posted on
* 458 Winchester Magnum Question LFOD1776 06/09/09 07:04 AM
. * * Re: 458 Winchester Magnum Question 458ONLY   17/12/09 10:10 AM
. * * Re: 458 Winchester Magnum Question bwananelson   17/12/09 11:35 AM
. * * Re: 458 Winchester Magnum Question Tatume   17/12/09 11:55 AM
. * * Re: 458 Winchester Magnum Question bwananelson   17/12/09 01:25 PM
. * * Re: 458 Winchester Magnum Question Indy   04/11/09 02:17 PM
. * * Re: 458 Winchester Magnum Question bipbigbore   18/11/09 09:51 AM
. * * Re: 458 Winchester Magnum Question DUGABOY1   08/09/09 09:34 AM
. * * Re: 458 Winchester Magnum Question 4seventy   29/12/09 02:46 PM
. * * Re: 458 Winchester Magnum Question Ripp   29/12/09 03:00 PM
. * * Re: 458 Winchester Magnum Question 458ONLY   30/12/09 08:18 AM
. * * Re: 458 Winchester Magnum Question DarylS   30/12/09 03:55 AM
. * * Re: 458 Winchester Magnum Question bigmaxx   30/12/09 04:10 AM
. * * Re: 458 Winchester Magnum Question 4seventy   17/12/09 01:55 PM
. * * Re: 458 Winchester Magnum Question Altamaha   18/12/09 02:57 PM
. * * Re: 458 Winchester Magnum Question 4seventy   18/12/09 06:59 PM
. * * Re: 458 Winchester Magnum Question 450_366   18/12/09 07:40 PM
. * * Re: 458 Winchester Magnum Question bonanza   08/09/09 10:07 AM
. * * Re: 458 Winchester Magnum Question 9.3x57   08/09/09 11:49 AM
. * * Re: 458 Winchester Magnum Question KILLERtj   06/10/09 02:39 PM
. * * Re: 458 Winchester Magnum Question bonanza   06/09/09 07:26 AM
. * * Re: 458 Winchester Magnum Question Tatume   06/09/09 08:02 AM
. * * Re: 458 Winchester Magnum Question tinker   06/09/09 08:19 AM
. * * Re: 458 Winchester Magnum Question *DELETED* *DELETED* grandveneur   06/09/09 09:01 AM
. * * Re: 458 Winchester Magnum Question controlled_feed   06/09/09 10:46 AM
. * * Re: 458 Winchester Magnum Question bonanza   06/09/09 01:34 PM
. * * Re: 458 Winchester Magnum Question bonanza   06/09/09 01:40 PM
. * * Re: 458 Winchester Magnum Question LFOD1776   06/09/09 11:52 AM
. * * Re: 458 Winchester Magnum Question bonanza   06/09/09 02:04 PM
. * * Re: 458 Winchester Magnum Question LFOD1776   06/09/09 11:30 PM
. * * Re: 458 Winchester Magnum Question tinker   07/09/09 12:20 AM
. * * Re: 458 Winchester Magnum Question controlled_feed   07/09/09 09:01 AM
. * * Re: 458 Winchester Magnum Question ozhunter   07/09/09 05:42 PM
. * * Re: 458 Winchester Magnum Question 9.3x57   07/09/09 11:12 PM
. * * Re: 458 Winchester Magnum Question DarylS   19/11/09 02:49 AM
. * * Re: 458 Winchester Magnum Question Sarg   07/09/09 06:38 PM
. * * Re: 458 Winchester Magnum Question tinker   06/09/09 01:32 PM

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