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Double Rifles, Single Shots & Combinations >> Building Double Rifles & Gunsmithing
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DarylS
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Reged: 10/08/05
Posts: 27000
Loc: Beautiful British Columbia, Ca...
Re: Rechambering a Double .45/70?
      05/04/22 08:51 AM

Looking good. My .458 2" made 2,296fps with Hornady RN's and they really did well on our moose. Years ago, I posted a picture here of a (675lb.in quarters) bull I shot with this load and rifle. Of course, that was a Mauser Bolt action and close to top-end loads. I used the same loads with 350gr. Horn., 400gr. Barnes Spitzers and 500gr. Hornady RNs. The velocities ran 2,296fps, 2,159fps and 2,059fps.

I suspect your .45 2.4" should do likewise, if you are getting close to 2,300fps with 350's.
I used 68.0gr. H335 and 66.0gr. IMR4320. These were compressed loads.
The H335 made quite the fireballs fired at night.
I suspect I could have done the same or similar with H4895.
Too, my rifle had 3/8" freebore and allowed seating the bullets well out of the case, so would be similar to a short throated .45 2.3", I guess.

--------------------
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
* Rechambering a Double .45/70? FlatTop45 12/03/22 05:06 PM
. * * Re: Rechambering a Double .45/70? NitroXAdministrator   12/03/22 05:14 PM
. * * Re: Rechambering a Double .45/70? crshelton   13/03/22 01:00 AM
. * * Re: Rechambering a Double .45/70? DarylS   13/03/22 05:22 AM
. * * Re: Rechambering a Double .45/70? FlatTop45   14/03/22 03:44 AM
. * * Re: Rechambering a Double .45/70? DarylS   14/03/22 05:24 AM
. * * Re: Rechambering a Double .45/70? FlatTop45   14/03/22 01:11 PM
. * * Re: Rechambering a Double .45/70? 50Calshtr   15/03/22 01:44 AM
. * * Re: Rechambering a Double .45/70? DarylS   15/03/22 03:17 AM
. * * Re: Rechambering a Double .45/70? crshelton   05/04/22 07:25 AM
. * * Re: Rechambering a Double .45/70? NitroXAdministrator   05/04/22 05:36 PM
. * * Re: Rechambering a Double .45/70? 93x64mm   06/04/22 06:59 AM
. * * Re: Rechambering a Double .45/70? crshelton   11/04/22 07:30 AM
. * * Re: Rechambering a Double .45/70? NitroXAdministrator   11/04/22 07:06 PM
. * * Re: Rechambering a Double .45/70? crshelton   11/04/22 09:57 PM
. * * Re: Rechambering a Double .45/70? HeymSR20   11/04/22 10:43 PM
. * * Re: Rechambering a Double .45/70? crshelton   12/04/22 07:45 AM
. * * Re: Rechambering a Double .45/70? crshelton   12/04/22 08:06 AM
. * * Re: Rechambering a Double .45/70? crshelton   20/04/22 10:58 AM
. * * Re: Rechambering a Double .45/70? DarylS   05/04/22 08:51 AM

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