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Shooting & Reloading - Mausers, Big Bores and others >> Rifles

eagle27
.400 member

Reged: 24/01/09
Posts: 1128
Loc: Nelson, New Zealand

Re: The .275 Rigby is a Fantasy Cartridge
17/01/23 01:19 PM

I wonder what length barrel the .275 140gr load was chronographed in. Probably 28" which is usual par for the course for the English when chronographing their ammunition. With the Rigby No 2 rifle having a 23.5" barrel Rigby were stretching the truth somewhat with their advertised MV of 3000fps.
I can't imagine them loading to much over the lower pressure level that the 7x57/.275 would have been loaded back in those days.

It is not possible or easy to get the 7mm-08 in modern loadings up to a MV of 3000fps with a 140gr bullet in a 24" barrel (Hornady Superformance gets to 2950fps with a 139gr bullet and their special powder - 2900fps in a 24" barrel I have chronographed) and while the 7x57 cartridge has a little more case capacity, powders and pressure specifications of the day wouldn't have seen the .275 cartridge for the Rigby No.2 approaching anywhere near 3000fps MV.
Nevertheless I imagine the lighter bullet at somewhere round 2800fps MV, maybe optimistic at that, would have been a better performer on smaller game than the commonly loaded slow heavy 175gr bullet.

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Subject	Posted by	Posted on
The .275 Rigby is a Fantasy Cartridge	CarlsenHighway	18/08/22 09:04 AM
Re: The .275 Rigby is a Fantasy Cartridge	Rothhammer1	27/01/23 04:58 PM
Re: The .275 Rigby is a Fantasy Cartridge	NitroX	27/01/23 08:39 PM
Re: The .275 Rigby is a Fantasy Cartridge	JHeath	16/08/23 12:52 AM
Re: The .275 Rigby is a Fantasy Cartridge	Rothhammer1	28/01/23 09:26 PM
Re: The .275 Rigby is a Fantasy Cartridge	NitroX	29/01/23 02:32 AM
Re: The .275 Rigby is a Fantasy Cartridge	Rothhammer1	29/01/23 08:03 PM
Re: The .275 Rigby is a Fantasy Cartridge	Marrakai	29/01/23 11:06 AM
Re: The .275 Rigby is a Fantasy Cartridge	NitroX	29/01/23 03:26 PM
Re: The .275 Rigby is a Fantasy Cartridge	eagle27	18/08/22 03:55 PM
Re: The .275 Rigby is a Fantasy Cartridge	Rothhammer1	29/01/23 09:14 PM
Re: The .275 Rigby is a Fantasy Cartridge	Huvius	30/01/23 12:13 PM
Re: The .275 Rigby is a Fantasy Cartridge	chuck375	12/05/23 07:56 AM
Re: The .275 Rigby is a Fantasy Cartridge	Huvius	12/05/23 10:57 AM
Re: The .275 Rigby is a Fantasy Cartridge	eagle27	22/05/23 03:43 PM
Re: The .275 Rigby is a Fantasy Cartridge	kuduae	22/05/23 08:08 PM
Re: The .275 Rigby is a Fantasy Cartridge	JHeath	16/08/23 01:15 AM
Re: The .275 Rigby is a Fantasy Cartridge	DORLEAC	16/08/23 02:06 AM
Re: The .275 Rigby is a Fantasy Cartridge	NitroX	16/08/23 02:12 AM
Re: The .275 Rigby is a Fantasy Cartridge	chuck375	12/05/23 12:08 PM
Re: The .275 Rigby is a Fantasy Cartridge	LRF	12/05/23 08:54 PM
Re: The .275 Rigby is a Fantasy Cartridge	chuck375	22/05/23 04:36 AM
Re: The .275 Rigby is a Fantasy Cartridge	eagle27	30/01/23 11:52 AM
Re: The .275 Rigby is a Fantasy Cartridge	NitroX	18/08/22 04:47 PM
Re: The .275 Rigby is a Fantasy Cartridge	JHeath	16/08/23 12:36 AM
Re: The .275 Rigby is a Fantasy Cartridge	NitroX	18/08/22 07:29 PM
Re: The .275 Rigby is a Fantasy Cartridge	cooch	18/08/22 07:49 PM
Re: The .275 Rigby is a Fantasy Cartridge	CarlsenHighway	18/08/22 09:43 PM
Re: The .275 Rigby is a Fantasy Cartridge	lancaster	19/08/22 02:37 AM
Re: The .275 Rigby is a Fantasy Cartridge	NitroX	19/08/22 07:51 PM
Re: The .275 Rigby is a Fantasy Cartridge	crshelton	19/08/22 10:07 PM
Re: The .275 Rigby is a Fantasy Cartridge	kuduae	20/08/22 01:25 AM
Re: The .275 Rigby is a Fantasy Cartridge	kuduae	20/08/22 01:40 AM
Re: The .275 Rigby is a Fantasy Cartridge	lancaster	20/08/22 02:41 AM
Re: The .275 Rigby is a Fantasy Cartridge	sharps4590	20/08/22 10:14 PM
Re: The .275 Rigby is a Fantasy Cartridge	Rothhammer1	27/01/23 05:05 PM
Re: The .275 Rigby is a Fantasy Cartridge	NitroX	21/08/22 02:39 AM
Re: The .275 Rigby is a Fantasy Cartridge	Marrakai	21/08/22 09:38 AM
Re: The .275 Rigby is a Fantasy Cartridge	NitroX	17/01/23 02:12 AM
Re: The .275 Rigby is a Fantasy Cartridge	eagle27	17/01/23 01:19 PM
Re: The .275 Rigby is a Fantasy Cartridge	NitroX	18/01/23 12:26 AM
Re: The .275 Rigby is a Fantasy Cartridge	DarylS	18/01/23 05:06 AM
Re: The .275 Rigby is a Fantasy Cartridge	eagle27	18/01/23 08:22 AM
Re: The .275 Rigby is a Fantasy Cartridge	DarylS	18/01/23 08:26 AM
Re: The .275 Rigby is a Fantasy Cartridge	Marrakai	18/01/23 10:18 AM
Re: The .275 Rigby is a Fantasy Cartridge	DarylS	18/01/23 11:20 AM
Re: The .275 Rigby is a Fantasy Cartridge	3DogMike	20/01/23 10:53 AM
Re: The .275 Rigby is a Fantasy Cartridge	DarylS	21/01/23 05:11 AM
Re: The .275 Rigby is a Fantasy Cartridge	3DogMike	21/01/23 05:37 AM
Re: The .275 Rigby is a Fantasy Cartridge	NitroX	21/01/23 08:37 PM
Re: The .275 Rigby is a Fantasy Cartridge	lancaster	22/01/23 01:47 AM
Re: The .275 Rigby is a Fantasy Cartridge	NitroX	23/01/23 05:05 AM
Re: The .275 Rigby is a Fantasy Cartridge	3DogMike	26/01/23 12:49 PM
Re: The .275 Rigby is a Fantasy Cartridge	NitroX	26/01/23 04:29 PM
Re: The .275 Rigby is a Fantasy Cartridge	Marrakai	26/01/23 06:40 PM
Re: The .275 Rigby is a Fantasy Cartridge	3DogMike	27/01/23 03:23 AM
Re: The .275 Rigby is a Fantasy Cartridge	DarylS	27/01/23 05:18 AM
Re: The .275 Rigby is a Fantasy Cartridge	eagle27	27/01/23 08:18 AM
Re: The .275 Rigby is a Fantasy Cartridge	tinker	26/01/23 02:20 PM
Re: The .275 Rigby is a Fantasy Cartridge	3DogMike	22/01/23 02:16 AM
Re: The .275 Rigby is a Fantasy Cartridge	kuduae	22/01/23 02:54 AM
Re: The .275 Rigby is a Fantasy Cartridge	lancaster	22/01/23 06:16 AM
Re: The .275 Rigby is a Fantasy Cartridge	DarylS	22/01/23 08:42 AM
Re: The .275 Rigby is a Fantasy Cartridge	kuduae	22/01/23 11:46 PM
Re: The .275 Rigby is a Fantasy Cartridge	DarylS	23/01/23 04:59 AM
Re: The .275 Rigby is a Fantasy Cartridge	kuduae	21/01/23 11:36 PM
Re: The .275 Rigby is a Fantasy Cartridge	lancaster	22/01/23 01:45 AM
Re: The .275 Rigby is a Fantasy Cartridge	Rothhammer1	29/01/23 08:51 PM
Re: The .275 Rigby is a Fantasy Cartridge	NitroX	20/01/23 11:20 PM
Re: The .275 Rigby is a Fantasy Cartridge	3DogMike	21/01/23 05:32 AM
Re: The .275 Rigby is a Fantasy Cartridge	Huvius	19/08/22 01:45 AM

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