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Shooting & Reloading - Mausers, Big Bores and others >> Big Bore Rifles
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DarylS
.700 member


Reged: 10/08/05
Posts: 27732
Loc: Beautiful British Columbia, Ca...
Re: .458 Winchester Magnum
      11/06/25 10:58 PM

It was repeatedly said you could shoot .458 Win. Mag. from the Watts. What wasn't told was the guilding material fouling in the chamber. 1 or two shots might not make any difference, but quite likely 10 or 20 certainly would.
Jack fixed that with his change to the chamber design.
The same thing would happen in a .45/90 M86 (or any other (.45/90) if .45/70's were shot in the chamber. It was slightly more likely, the greater the difference in chamber lengths, such as shooting a .45/70 or .45/90 in a 3 1/4" chamber.
I'm surprised Phil Shoemaker hasn't addressed this thread. He used a .458 M70 for many years as a backup for his grizzly/brown bear hunts. IIRC he liked the 400 grain Barnes X bullet for that purpose at about 2,300fps.


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


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

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Entire topic
Subject Posted by Posted on
* .458 Winchester Magnum NitroXAdministrator 10/06/25 01:57 AM
. * * Re: .458 Winchester Magnum 85lc   10/06/25 02:43 AM
. * * Re: .458 Winchester Magnum bwanabobftw   10/06/25 06:48 AM
. * * Re: .458 Winchester Magnum Claydog   10/06/25 08:04 AM
. * * Re: .458 Winchester Magnum DarylS   10/06/25 09:23 AM
. * * Re: .458 Winchester Magnum Rule303   10/06/25 11:21 AM
. * * Re: .458 Winchester Magnum 85lc   11/06/25 05:41 AM
. * * Re: .458 Winchester Magnum DarylS   11/06/25 10:58 PM
. * * Re: .458 Winchester Magnum 85lc   12/06/25 01:33 AM
. * * Re: .458 Winchester Magnum DarylS   12/06/25 04:58 AM
. * * Re: .458 Winchester Magnum 85lc   12/06/25 07:30 AM
. * * Re: .458 Winchester Magnum DarylS   12/06/25 09:26 AM

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