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Double Rifles, Single Shots & Combinations >> Double Rifles

3DogMike
.400 member

Reged: 29/01/15
Posts: 1414
Loc: Western Slope, Colorado USA

Re: Cogswell & Harrison.500 express, London.
07/03/21 03:11 PM

Hi Jens,
I have finally gotten to check the twist on my Ingram .500BPE and the barrels are 1 turn in 41" as best I can measure.
Barrels are 28" and the rifle weighs 8lbs 10oz. Proof marks indicate some time after 1887.

interestingly enough my rifle does quite well with a 440 grain paper patch bullet and 58 grains of H4198, backer rod, and Federal 215 primers. Have not chronographed that load.
The bullets are cast of 1-20 from a Tom Ballard adjustable mould and are patched to ~ .509" diameter with Onion Skin paper, thin smear of SPG lube on the paper patch. I put one .515" punched out "milk carton" wad under the bullet to protect the base and paper patch.
Groups (2 rights, 2 lefts) run about 2 1/2' at 50 yards. I don't have a suitable 100 yard setup, perhaps the shots would spread apart at that range?
I more often shoot 365 grain gas check .510' diameter grooved bullets with the same powder charge.
- Mike

--------------------
"Here's to killing people you don't like with people you do"

"Will Rogers never met a fighter pilot"
- Anon

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Subject	Posted by	Posted on
Cogswell & Harrison.500 express, London.	rigbymauser	10/05/20 12:51 AM
Re: Cogswell & Harrison.500 express, London.	DarylS	10/05/20 01:13 AM
Re: Cogswell & Harrison.500 express, London.	rigbymauser	10/05/20 01:27 AM
Re: Cogswell & Harrison.500 express, London.	TH44	10/05/20 07:28 AM
Re: Cogswell & Harrison.500 express, London.	tinker	11/05/20 12:12 AM
Re: Cogswell & Harrison.500 express, London.	poprivit	11/05/20 12:33 AM
Re: Cogswell & Harrison.500 express, London.	rigbymauser	20/09/20 11:14 PM
Re: Cogswell & Harrison.500 express, London.	rigbymauser	20/09/20 11:51 PM
Re: Cogswell & Harrison.500 express, London.	DarylS	21/09/20 02:54 AM
Re: Cogswell & Harrison.500 express, London.	3DogMike	21/09/20 06:42 AM
Re: Cogswell & Harrison.500 express, London.	rigbymauser	05/10/20 02:32 AM
Re: Cogswell & Harrison.500 express, London.	tinker	05/10/20 02:56 AM
Re: Cogswell & Harrison.500 express, London.	DarylS	05/10/20 03:25 AM
Re: Cogswell & Harrison.500 express, London.	rigbymauser	05/10/20 04:11 AM
Re: Cogswell & Harrison.500 express, London.	DarylS	05/10/20 04:18 AM
Re: Cogswell & Harrison.500 express, London.	85lc	05/10/20 08:28 AM
Re: Cogswell & Harrison.500 express, London.	DarylS	05/10/20 11:57 AM
Re: Cogswell & Harrison.500 express, London.	Marrakai	05/10/20 01:04 PM
Re: Cogswell & Harrison.500 express, London.	DarylS	06/10/20 03:08 AM
Re: Cogswell & Harrison.500 express, London.	rigbymauser	27/10/20 02:54 AM
Re: Cogswell & Harrison.500 express, London.	DarylS	27/10/20 03:22 AM
Re: Cogswell & Harrison.500 express, London.	rigbymauser	28/11/20 12:55 AM
Re: Cogswell & Harrison.500 express, London.	DarylS	28/11/20 04:27 AM
Re: Cogswell & Harrison.500 express, London.	tinker	28/11/20 05:33 AM
Re: Cogswell & Harrison.500 express, London.	rigbymauser	28/11/20 06:25 AM
Re: Cogswell & Harrison.500 express, London.	vandeusenps	29/11/20 08:42 AM
Re: Cogswell & Harrison.500 express, London.	rigbymauser	17/02/21 05:59 AM
Re: Cogswell & Harrison.500 express, London.	3DogMike	17/02/21 08:47 AM
Re: Cogswell & Harrison.500 express, London.	rigbymauser	17/02/21 08:57 AM
Re: Cogswell & Harrison.500 express, London.	3DogMike	17/02/21 09:36 AM
Re: Cogswell & Harrison.500 express, London.	3DogMike	17/02/21 09:44 AM
Re: Cogswell & Harrison.500 express, London.	rigbymauser	17/02/21 09:45 AM
Re: Cogswell & Harrison.500 express, London.	3DogMike	17/02/21 09:47 AM
Re: Cogswell & Harrison.500 express, London.	3DogMike	28/02/21 02:41 AM
Re: Cogswell & Harrison.500 express, London.	rigbymauser	28/02/21 03:01 AM
Re: Cogswell & Harrison.500 express, London.	Parabola	28/02/21 03:50 AM
Re: Cogswell & Harrison.500 express, London.	rigbymauser	28/02/21 04:39 AM
Re: Cogswell & Harrison.500 express, London.	3DogMike	07/03/21 03:11 PM
Re: Cogswell & Harrison.500 express, London.	tinker	07/03/21 03:58 PM
Re: Cogswell & Harrison.500 express, London.	rigbymauser	07/03/21 08:08 PM
Re: Cogswell & Harrison.500 express, London.	3DogMike	08/03/21 01:38 AM
Re: Cogswell & Harrison.500 express, London.	NitroX	11/03/21 01:51 AM
Re: Cogswell & Harrison.500 express, London.	rigbymauser	08/03/21 02:48 AM
Re: Cogswell & Harrison.500 express, London.	NitroX	11/03/21 01:56 AM
Re: Cogswell & Harrison.500 express, London.	93x64mm	11/03/21 10:46 PM
Re: Cogswell & Harrison.500 express, London.	NitroX	12/03/21 03:14 PM
Re: Cogswell & Harrison.500 express, London.	rigbymauser	06/10/20 01:05 AM
Re: Cogswell & Harrison.500 express, London.	3DogMike	10/05/20 02:29 AM

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