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Double Rifles, Single Shots & Combinations >> Double Rifles

DarylS
.700 member

Reged: 10/08/05
Posts: 26531
Loc: Beautiful British Columbia, Ca...

Re: 8 bore vs 4 bore
11/09/06 01:08 AM

Groove diameter should be .690, but with muzzleloaders, the bore diameter determines the gauge. In this case, it has a .690" bore, with .012" deep rifling, making it actually a 13 bore to the bottom of the grooves, at .714".
: In Forsyth's day, a groove diameter of .005" and 104" of twist in a 24 to 26" set of tubes (double ML rifle) would make it .700" groove diameter. A .675" ball would require about a .018" patch, whereas I use a .684" ball with .018" patch in my deeper grooves.
: A very recent test put a 3 shot group at 100 meters, shooting off my elbows, into 1" X 7/8" group on centres using the Express sights. We made the rifle in 1986 using a Green River River Works barrel.
: That .500 3" BPE was a popular one for India. A close friend has one such double rifle marked on the rib, in gold script & in Italics, Made of Maharaja ????????????. I think it is a John Blisset, but haven't seen the rifle for many years - memories, you know. It shot splendidly and together with Lyman's, .515 conical 450gr. bullet and around 130gr. r 140gr. Pyrodex. I remember shooting 2 1/2" with 2 lefts and 2 rights at 100 yards.(before change to metric system)

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

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

Edited by Daryl_S (11/09/06 01:12 AM)

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Subject	Posted by	Posted on
8 bore vs 4 bore	empirevr	08/09/06 02:40 AM
Re: 8 bore vs 4 bore	NitroX	11/10/22 12:47 AM
Re: 8 bore vs 4 bore	NitroX	11/10/22 07:30 PM
Re: 8 bore vs 4 bore	NitroX	11/10/22 07:37 PM
Re: 8 bore vs 4 bore	NitroX	11/10/22 09:49 PM
Re: 8 bore vs 4 bore	NitroX	11/10/22 09:54 PM
Re: 8 bore vs 4 bore	DarylS	12/10/22 03:25 AM
Re: 8 bore vs 4 bore	DarylS	08/09/06 03:00 AM
Re: 8 bore vs 4 bore	empirevr	08/09/06 04:47 AM
Re: 8 bore vs 4 bore	DarylS	08/09/06 08:35 AM
Re: 8 bore vs 4 bore	500Nitro	08/09/06 08:49 AM
Re: 8 bore vs 4 bore	DarylS	08/09/06 12:03 PM
Re: 8 bore vs 4 bore	bulldog563	09/09/06 08:10 AM
Re: 8 bore vs 4 bore	empirevr	09/09/06 06:09 AM
Re: 8 bore vs 4 bore	DarylS	09/09/06 08:33 AM
Re: 8 bore vs 4 bore	empirevr	10/09/06 07:34 AM
Re: 8 bore vs 4 bore	DarylS	11/09/06 01:08 AM
Re: 8 bore vs 4 bore	empirevr	11/09/06 06:11 AM
Re: 8 bore vs 4 bore	DarylS	11/09/06 02:57 PM
Re: 8 bore vs 4 bore	empirevr	12/09/06 01:00 AM
Re: 8 bore vs 4 bore	DarylS	12/09/06 05:51 AM
Re: 8 bore vs 4 bore	empirevr	12/09/06 08:33 AM
Re: 8 bore vs 4 bore	DarylS	13/09/06 02:42 AM
Re: 8 bore vs 4 bore	empirevr	13/09/06 04:38 AM
Re: 8 bore vs 4 bore	DarylS	13/09/06 09:02 AM
Re: 8 bore vs 4 bore	empirevr	13/09/06 09:53 AM
Re: 8 bore vs 4 bore	DarylS	14/09/06 12:50 AM
Re: 8 bore vs 4 bore	empirevr	14/09/06 05:03 AM
Re: 8 bore vs 4 bore	bulldog563	14/09/06 01:14 PM
Re: 8 bore vs 4 bore	DarylS	14/09/06 10:03 AM
Re: 8 bore vs 4 bore	Chasseur	14/09/06 05:20 PM
Re: 8 bore vs 4 bore	empirevr	14/09/06 06:43 PM
Re: 8 bore vs 4 bore	CptCurl	14/09/06 10:30 AM
Re: 8 bore vs 4 bore	DarylS	14/09/06 11:31 AM
Re: 8 bore vs 4 bore	CptCurl	14/09/06 12:49 PM
Re: 8 bore vs 4 bore	CptCurl	14/09/06 12:53 PM
Re: 8 bore vs 4 bore	DarylS	15/09/06 12:25 AM
Re: 8 bore vs 4 bore	empirevr	15/09/06 05:30 AM
Re: 8 bore vs 4 bore	DarylS	16/09/06 12:33 AM
Re: 8 bore vs 4 bore	empirevr	16/09/06 07:09 AM
Re: 8 bore vs 4 bore	DarylS	16/09/06 11:13 AM
Re: 8 bore vs 4 bore	empirevr	16/09/06 11:37 AM
Re: 8 bore vs 4 bore	500Nitro	16/09/06 11:51 AM
Re: 8 bore vs 4 bore	gatsby	16/09/06 01:16 PM
Re: 8 bore vs 4 bore	empirevr	17/09/06 03:20 AM
Re: 8 bore vs 4 bore	DarylS	17/09/06 04:27 AM
Re: 8 bore vs 4 bore	empirevr	17/09/06 04:49 AM
Re: 8 bore vs 4 bore	gatsby	17/09/06 09:17 AM
Re: 8 bore vs 4 bore	DarylS	17/09/06 01:28 PM
Re: 8 bore vs 4 bore	empirevr	18/09/06 01:05 AM
Re: 8 bore vs 4 bore	DarylS	18/09/06 06:09 AM
Re: 8 bore vs 4 bore	empirevr	18/09/06 07:29 AM
Re: 8 bore vs 4 bore	DarylS	18/09/06 10:33 AM
Re: 8 bore vs 4 bore	empirevr	19/09/06 01:12 AM
Re: 8 bore vs 4 bore	DarylS	19/09/06 01:48 AM
Re: 8 bore vs 4 bore	empirevr	19/09/06 05:43 AM
Re: 8 bore vs 4 bore	gatsby	19/09/06 10:38 AM
Re: 8 bore vs 4 bore	empirevr	20/09/06 12:37 AM
Re: 8 bore vs 4 bore	empirevr	21/09/06 09:38 AM
Re: 8 bore vs 4 bore	Omnivorous_Bob	21/09/06 02:11 PM
Re: 8 bore vs 4 bore	500Nitro	21/09/06 02:45 PM
Re: 8 bore vs 4 bore	empirevr	22/09/06 02:30 AM
Re: 8 bore vs 4 bore	Double_Trouble	23/09/06 12:09 AM
Re: 8 bore vs 4 bore	DarylS	11/10/22 03:10 AM
Re: 8 bore vs 4 bore	empirevr	23/09/06 06:12 AM
Re: 8 bore vs 4 bore	500Nitro	23/09/06 06:21 AM
Re: 8 bore vs 4 bore	empirevr	23/09/06 06:38 AM
Re: 8 bore vs 4 bore	500Nitro	23/09/06 06:52 AM
Re: 8 bore vs 4 bore	gatsby	23/09/06 11:14 AM
Re: 8 bore vs 4 bore	empirevr	23/09/06 07:11 AM
Re: 8 bore vs 4 bore	500Nitro	23/09/06 11:32 AM
Re: 8 bore vs 4 bore	empirevr	23/09/06 11:38 AM
Re: 8 bore vs 4 bore	empirevr	22/09/06 09:40 PM
Re: 8 bore vs 4 bore	gatsby	21/09/06 02:24 PM
Re: 8 bore vs 4 bore	SAFARIKID	19/09/06 07:57 AM
Re: 8 bore vs 4 bore	500Nitro	18/09/06 08:07 AM
Re: 8 bore vs 4 bore	empirevr	18/09/06 08:23 AM
Re: 8 bore vs 4 bore	mickey	16/09/06 11:07 AM
Re: 8 bore vs 4 bore	400NitroExpress	16/09/06 08:19 AM
Re: 8 bore vs 4 bore	500Nitro	16/09/06 08:53 AM
Re: 8 bore vs 4 bore	400NitroExpress	15/09/06 05:50 AM
Re: 8 bore vs 4 bore	500Nitro	15/09/06 05:38 AM
Re: 8 bore vs 4 bore	empirevr	15/09/06 05:41 AM
Re: 8 bore vs 4 bore	500Nitro	15/09/06 05:58 AM
Re: 8 bore vs 4 bore	400NitroExpress	15/09/06 06:37 AM
Re: 8 bore vs 4 bore	empirevr	15/09/06 07:00 AM
Re: 8 bore vs 4 bore	400NitroExpress	15/09/06 02:28 PM
Re: 8 bore vs 4 bore	empirevr	15/09/06 06:23 AM
Re: 8 bore vs 4 bore	500Nitro	13/09/06 03:29 PM
Re: 8 bore vs 4 bore	empirevr	13/09/06 08:50 PM
Re: 8 bore vs 4 bore	empirevr	08/09/06 09:23 AM

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