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Shooting & Reloading - Mausers, Big Bores and others >> Rifles
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DarylS
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Reged: 10/08/05
Posts: 26526
Loc: Beautiful British Columbia, Ca...
Re: A light calibre and intersting cartridge .280 Ackley Improve
      15/12/10 03:11 AM

Hmmm - I used 140gr. Noslers in both my 7x57's at 2,940/2.950fps. I would think the .280 Improved should do about 3,150fps with a top-end load with a 24" bl.- maybe better depending on the rifle. Heck of a good plains game ctg. I've never liked the .270 - maybe Jack was the reason - but I've always liked the 7mm's - except for the Rem Mag. Had a couple of those - NIX.

Googling .280 should get some good data for load development. I'd merely start with the slower powders and max loads for the standard .280 and go from there. Max loads for the smaller case are the place to start, not below that when using slow powders.

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


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

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Subject Posted by Posted on
* A light calibre and intersting cartridge .280 Ackley Improve Brithunter 14/12/10 11:23 AM
. * * Re: A light calibre and intersting cartridge .280 Ackley Improve 9.3x57   14/12/10 02:04 PM
. * * Re: A light calibre and intersting cartridge .280 Ackley Improve Brithunter   14/12/10 10:06 PM
. * * Re: A light calibre and intersting cartridge .280 Ackley Improve FATBOY404   14/12/10 10:43 PM
. * * Re: A light calibre and intersting cartridge .280 Ackley Improve DarylS   15/12/10 03:11 AM
. * * Re: A light calibre and intersting cartridge .280 Ackley Improve Brithunter   15/12/10 04:34 AM
. * * Re: A light calibre and intersting cartridge .280 Ackley Improve FATBOY404   15/12/10 05:59 AM
. * * Re: A light calibre and intersting cartridge .280 Ackley Improve Homer   16/12/10 05:05 PM
. * * Re: A light calibre and intersting cartridge .280 Ackley Improve Brithunter   17/12/10 08:22 AM
. * * Re: A light calibre and intersting cartridge .280 Ackley Improve simonsaorsa   17/12/10 09:00 AM
. * * Re: A light calibre and intersting cartridge .280 Ackley Improve JabaliHunter   17/12/10 10:33 AM
. * * Re: A light calibre and intersting cartridge .280 Ackley Improve Brithunter   18/12/10 04:24 AM
. * * Re: A light calibre and intersting cartridge .280 Ackley Improve JabaliHunter   14/12/10 10:00 PM
. * * Re: A light calibre and intersting cartridge .280 Ackley Improve FATBOY404   14/12/10 09:50 PM
. * * Re: A light calibre and intersting cartridge .280 Ackley Improve FATBOY404   14/12/10 02:01 PM

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