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Shooting & Reloading - Mausers, Big Bores and others >> Big Bore Rifles
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LFOD1776
.224 member


Reged: 04/09/09
Posts: 18
Loc: Austin, TX
458 Winchester Magnum Question
      06/09/09 07:04 AM

I have a question for any experts out there in this particular caliber.

I read that the 458 WM was really never able to achieve the ~5000 ft. lbs of muzzle energy originally hoped for, without sacrificing reliability -- compressed charges allegedly resulting in occasional ignition failures. The general concensus seems to be that Winchester should have stuck with a longer case like the 458 Lott, and the 458 Winchester Magnum can practically only achieve ~4000 ft. lbs. of muzzle energy.

Then I read about Hornady and Ruger teaming up to produce some new "short magnums" like the 375 Ruger, with Hornady using some magical whizz-bang powder. This made me wonder if Hornady might be manufacturing any 458 Winchester Magnum with this new powder of theirs, that lives up the original promise of the cardridge. I've read some reviews (link) indicating this may indeed be the case!

Has anyone here chronographed this ammunition out of a 24" barrel to verify whether this is indeed the case?

--------------------
NRA Life Member

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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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