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Double Rifles, Single Shots & Combinations >> Double Rifles
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DarylS
.700 member


Reged: 10/08/05
Posts: 26520
Loc: Beautiful British Columbia, Ca...
Re: Favourite Caliber
      11/05/07 01:23 AM

The modified chokes of a single or double shotgun could easily be rifled, using a muzzleloading-type rifling machine. I expect to do just this, this coming summer with an old gunsmith friend of mine from Kelona, B.C. He's rifled a few barrels in the past by hand and feels it a simple job to rifle a shotgun's choke, like the Paradox guns of the 19th century. I agree. A square twisted rod of correct twist rate, held in a yoke is all that's necessary to turn the cutter - much the same fashion as used in the 19th century. Time and energy is required, of course.
: I suggest improved modified as that will give .010" depth per side in a standard 12 of .730", whereas full choke would leave .020" per side due to it's 40 points of choke.
: I do not know the measurements of chokes in more modern 'over bored' shotguns wiht .735" to .740" bores.
: The bores shown above appear to have very deep rifling indeed - fully .015" anyway - maybe .020". Perhaps a full choke is the proper one to rifle.
: Any modern shotgun should handle 1-1/2 ounce of lead at up to 1,400fps. 1-1/2 oz. is 650gr. Incidently, if cloth patched in the case, slightly undersize solid round balls should work to 1,600fps, a full 100fps faster than the heaviest 12 bore load of the 1870's and 80's. For them, it took 190gr. black powder. For us, it's about 26gr. (just a guess - not loading data) of Hodgdon's Longshot, shotgun powder.

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


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

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Subject Posted by Posted on
* Favourite Caliber mickey 28/03/07 02:33 PM
. * * Re: Favourite Caliber Safarischorsch   22/04/07 05:12 PM
. * * Re: Favourite Caliber Schamankungulo   23/04/07 11:44 AM
. * * Re: Favourite Caliber 500grains   23/04/07 12:32 PM
. * * Re: Favourite Caliber hoppdoc   27/04/07 03:28 AM
. * * Re: Favourite Caliber 500grains   27/04/07 11:31 PM
. * * Re: Favourite Caliber DarylS   28/04/07 12:42 AM
. * * Re: Favourite Caliber ducota   28/04/07 08:07 AM
. * * Re: Favourite Caliber CptCurlAdministrator   28/04/07 01:19 PM
. * * Re: Favourite Caliber empirevr   01/05/07 07:15 AM
. * * Re: Favourite Caliber Marrakai   01/05/07 07:08 PM
. * * Re: Favourite Caliber gatsby   02/05/07 03:02 AM
. * * Re: Favourite Caliber empirevr   10/05/07 07:53 AM
. * * Re: Favourite Caliber gatsby   10/05/07 03:04 PM
. * * Re: Favourite Caliber dnovo   10/05/07 11:18 PM
. * * Re: Favourite Caliber DarylS   11/05/07 01:23 AM
. * * Re: Favourite Caliber Marrakai   11/05/07 11:28 PM
. * * Re: Favourite Caliber DarylS   12/05/07 02:17 AM
. * * Re: Favourite Caliber gatsby   11/05/07 09:15 AM
. * * Re: Favourite Caliber dnovo   11/05/07 09:26 AM
. * * Re: Favourite Caliber empirevr   11/05/07 08:03 PM
. * * Re: Favourite Caliber dnovo   10/05/07 09:50 AM
. * * Re: Favourite Caliber hoppdoc   10/05/07 11:34 AM
. * * Re: Favourite Caliber hoppdoc   27/04/07 06:52 AM
. * * Re: Favourite Caliber zimhunter   17/04/07 03:53 AM
. * * Re: Favourite Caliber Rustyzipper   22/04/07 12:23 PM
. * * Re: Favourite Caliber gatsby   15/04/07 06:28 AM
. * * Re: Favourite Caliber AzGuy   29/03/07 01:46 AM
. * * Re: Favourite Caliber 500Nitro   29/03/07 06:27 AM
. * * Re: Favourite Caliber DUGABOY1   29/03/07 09:17 AM
. * * Re: Favourite Caliber 470evans   29/03/07 10:21 AM
. * * Re: Favourite Caliber AzGuy   29/03/07 02:02 PM
. * * Re: Favourite Caliber BigFiveJack   29/03/07 03:06 PM
. * * Re: Hambrusch 375 H&H dnovo   15/04/07 09:43 AM
. * * Re: Hambrusch 375 H&H 500Nitro   16/04/07 04:13 AM
. * * Re: Hambrusch 375 H&H dnovo   16/04/07 11:23 AM
. * * Re: Hambrusch 375 H&H Rigby   27/04/07 10:05 AM
. * * Re: Hambrusch 375 H&H CptCurlAdministrator   27/04/07 12:59 PM
. * * Re: Hambrusch 375 H&H NitroXAdministrator   15/04/07 05:09 PM
. * * Re: Hambrusch 375 H&H dnovo   16/04/07 03:31 AM
. * * Re: Favourite Caliber bigdog   29/03/07 11:48 PM
. * * Re: Favourite Caliber NE450No2   30/03/07 06:19 AM
. * * Re: Favourite Caliber DM   30/03/07 09:35 AM
. * * Re: Favourite Caliber nitro476   15/04/07 05:41 AM
. * * Re: Favourite Caliber dnovo   15/04/07 09:23 AM
. * * Re: Favourite Caliber CptCurlAdministrator   29/03/07 04:41 AM
. * * Re: Favourite Caliber pistolchamp   29/03/07 05:44 AM
. * * Re: Favourite Caliber CptCurlAdministrator   28/03/07 09:26 PM
. * * Re: Favourite Caliber 500Nitro   28/03/07 09:58 PM
. * * Re: Favourite Caliber bwana600nitro   29/03/07 12:04 AM
. * * Re: Favourite Caliber hoppdoc   28/03/07 08:02 PM
. * * Re: Favourite Caliber Dave_Hall   28/03/07 05:58 PM

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