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DarylS
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Reged: 10/08/05
Posts: 27024
Loc: Beautiful British Columbia, Ca...
Re: Best >40 cal & <45 cal cartridge for a bolt action?
      23/04/08 02:51 AM

Quote:

My first Taylor did 2400 in the late 70's before all the great selection of powders we have now , seems 70-72 of IMR 4320 was my majic number



; One of the earliest owners of a .416 used 3031 for the same 2,400fps speeds & used it in Africa without trouble, while most other guns didn't like such fast powders. Whooter's .416 Taylor in Africa, along with several others including Ken Waters factory chambered Ruger made over 2,400fps with 400's using normal powders, usually 4320. Today, Varget is in the same ball park for burn rates and is not effected nearly as much in the heat nor cold for that matter.
; I've often wondered what shooting hot rounds (in temperature) did for regulation of double rifles in Africa. Afterall, these guns were regulated in relatively cold climates, then packed up shipped South and then expected to maintain zeros with very much escalated pressures and velocities in Africa and India. What pressure and velocity does a .416 Rigby produce in Africa when the ammo and gun is 120F?

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


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

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Subject Posted by Posted on
* Best >40 cal & <45 cal cartridge for a bolt action? AzGuy 05/04/08 06:06 AM
. * * Re: Best >40 cal & <45 cal cartridge for a bolt action? WyoJoe   24/04/08 04:20 AM
. * * Re: Best >40 cal & <45 cal cartridge for a bolt action? Schamankungulo   26/04/08 11:45 AM
. * * Re: Best >40 cal & <45 cal cartridge for a bolt action? GSP7   26/04/08 12:50 PM
. * * Re: Best >40 cal & <45 cal cartridge for a bolt action? Ripp   27/04/08 11:08 AM
. * * Re: Best >40 cal & <45 cal cartridge for a bolt action? chuck375   26/04/08 02:40 PM
. * * Re: Best >40 cal & <45 cal cartridge for a bolt action? Cinghiale   25/05/08 03:32 PM
. * * Re: Best >40 cal & <45 cal cartridge for a bolt action? locksly   09/05/08 08:55 AM
. * * Re: Best >40 cal & <45 cal cartridge for a bolt action? JabaliHunter   09/05/08 06:47 PM
. * * Re: Best >40 cal & <45 cal cartridge for a bolt action? Ripp   05/04/08 11:04 AM
. * * Re: Best >40 cal & <45 cal cartridge for a bolt action? Schamankungulo   05/04/08 11:45 AM
. * * Re: Best >40 cal & <45 cal cartridge for a bolt action? DGR375   05/04/08 12:14 PM
. * * Re: Best >40 cal & <45 cal cartridge for a bolt action? hoppdoc   05/04/08 01:19 PM
. * * Re: Best >40 cal & <45 cal cartridge for a bolt action? Huvius   05/04/08 01:43 PM
. * * Re: Best >40 cal & <45 cal cartridge for a bolt action? AzGuy   05/04/08 02:20 PM
. * * Re: Best >40 cal & <45 cal cartridge for a bolt action? Huvius   06/04/08 12:07 AM
. * * Re: Best >40 cal & <45 cal cartridge for a bolt action? dnovo   05/04/08 07:58 PM
. * * Re: Best >40 cal & <45 cal cartridge for a bolt action? JabaliHunter   05/04/08 09:36 PM
. * * Re: Best >40 cal & <45 cal cartridge for a bolt action? DGR375   05/04/08 10:03 PM
. * * Re: Best >40 cal & <45 cal cartridge for a bolt action? JabaliHunter   05/04/08 10:13 PM
. * * Re: Best >40 cal & <45 cal cartridge for a bolt action? szihn   05/04/08 07:11 AM
. * * Re: Best >40 cal & <45 cal cartridge for a bolt action? AzGuy   05/04/08 10:52 AM
. * * Re: Best >40 cal & <45 cal cartridge for a bolt action? DarylS   06/04/08 12:10 AM
. * * Re: Best >40 cal & <45 cal cartridge for a bolt action? szihn   06/04/08 01:51 AM
. * * Re: Best >40 cal & <45 cal cartridge for a bolt action? Schamankungulo   17/04/08 11:48 AM
. * * Re: Best >40 cal & <45 cal cartridge for a bolt action? DarylS   23/04/08 02:51 AM
. * * Re: Best >40 cal & <45 cal cartridge for a bolt action? JabaliHunter   23/04/08 08:25 PM
. * * Re: Best >40 cal & <45 cal cartridge for a bolt action? CHAPUISARMES   09/05/08 09:14 PM
. * * Re: Best >40 cal & <45 cal cartridge for a bolt action? TerryR   10/05/08 02:55 AM
. * * Re: Best >40 cal & <45 cal cartridge for a bolt action? Kalunga   05/04/08 08:11 AM
. * * Re: Best >40 cal & <45 cal cartridge for a bolt action? DarylS   05/04/08 10:31 AM
. * * Re: Best >40 cal & <45 cal cartridge for a bolt action? shinz   13/05/08 09:54 PM

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