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Double Rifles, Single Shots & Combinations >> Paradox and Bore Guns

DarylS
.700 member

Reged: 10/08/05
Posts: 27017
Loc: Beautiful British Columbia, Ca...

Re: 4 bore ball size - sorry should have posted here initially
29/11/08 06:26 PM

While I've never loaded for a 4 bore, my standard rule is for a ball no more than .005" under bore size. This is for balls up to about 14 bore in size. Over that, if using a tight (thich) patch, one can go as much as .015" under bore size. for the monstrous 4 bore, one might even expand that to .020" - depending on groove depth. That means you should use a ball not less than .995" in diameter. i would go with an even inch and a .025" to .030" denim patch.

Measure the groove diameter to find the depth of rifling. Subtract the ball's diameter from the groove diameter, 1/2 the product and that is the THINNEST patch would can use with a pure lead ball. If the rifling is only .010" or so, ie: shallow, you can get by with a ball cast of straight WW metal - cheap for the asking at any tire changing gas station - usually.

If you meant the groove (not the bore) diameter was 1.015", that puts the actual bore somewhat tighter & the ball will have to be somewhat smaller than mentioned above - by .005" to .020" les than actual bore size. You must know both dimensions to make an educated guess at what to get for mould and patch thickness.

Again, make the ball from .005" to .020" smaller than the actual bore (tops of the lands) and go with 12 to 14 pound denim for the patch.(.023" to .030"). The patch must have some thickness to it, to obsorb enough lube to keep the fouling soft and allow repeated shots. If this is your first ML rifle, you've a long learning curve ahead. Enjoy.

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

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

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Subject	Posted by	Posted on
4 bore ball size - sorry should have posted here initially	billeastern	29/11/08 07:43 AM
Re: 4 bore ball size - sorry should have posted here initially	DarylS	29/11/08 06:26 PM
Re: 4 bore ball size - sorry should have posted here initial	billeastern	30/11/08 01:05 AM
Re: 4 bore ball size - sorry should have posted here initial	ALAN_MCKENZIE	01/12/08 12:28 AM
Re: 4 bore ball size - sorry should have posted here initial	szihn	01/12/08 02:59 AM
Re: 4 bore ball size - sorry should have posted here initial	billeastern	01/12/08 04:04 AM
Re: 4 bore ball size - sorry should have posted here initial	DarylS	01/12/08 04:38 AM
Re: 4 bore ball size - sorry should have posted here initial	ALAN_MCKENZIE	02/12/08 12:43 AM
Re: 4 bore ball size - sorry should have posted here initial	billeastern	02/12/08 02:08 AM
Re: 4 bore ball size - sorry should have posted here initial	billeastern	02/12/08 02:59 AM
Re: 4 bore ball size - sorry should have posted here initial	DarylS	02/12/08 04:08 AM
Re: 4 bore ball size - sorry should have posted here initial	Yogi000	02/12/08 05:25 AM
Re: 4 bore ball size - sorry should have posted here initial	billeastern	02/12/08 06:20 AM
Re: 4 bore ball size - sorry should have posted here initial	billeastern	02/12/08 12:34 PM
Re: 4 bore ball size - sorry should have posted here initial	Yogi000	03/12/08 01:14 AM
Re: 4 bore ball size - sorry should have posted here initial	billeastern	03/12/08 01:40 AM
Re: 4 bore ball size - sorry should have posted here initial	Yogi000	03/12/08 01:54 AM
Re: 4 bore ball size - sorry should have posted here initial	DarylS	03/12/08 06:43 AM
Re: 4 bore ball size - sorry should have posted here initial	billeastern	03/12/08 07:04 AM
Re: 4 bore ball size - sorry should have posted here initial	billeastern	03/12/08 07:10 AM
Re: 4 bore ball size - sorry should have posted here initial	DarylS	04/12/08 03:33 AM
Re: 4 bore ball size - sorry should have posted here initial	billeastern	04/12/08 05:00 AM
Re: 4 bore ball size - sorry should have posted here initial	calpappas	23/11/09 02:31 PM
Re: 4 bore ball size - sorry should have posted here initial	calpappas	23/11/09 02:27 PM
Re: 4 bore ball size - sorry should have posted here initial	calpappas	26/10/09 01:46 PM
Re: 4 bore ball size - sorry should have posted here initial	DarylS	27/10/09 05:29 AM
Re: 4 bore ball size - sorry should have posted here initial	rigbymauser	27/10/09 09:53 AM
Re: 4 bore ball size - sorry should have posted here initial	Yogi000	09/12/08 06:22 AM
Re: 4 bore ball size - sorry should have posted here initial	billeastern	09/12/08 07:59 AM
Re: 4 bore ball size - sorry should have posted here initial	Yogi000	09/12/08 11:44 AM
Re: 4 bore ball size - sorry should have posted here initial	billeastern	09/12/08 12:43 PM
Re: 4 bore ball size - sorry should have posted here initial	DarylS	09/12/08 04:57 PM
Re: 4 bore ball size - sorry should have posted here initial	billeastern	10/12/08 02:50 AM
Re: 4 bore ball size - sorry should have posted here initial	Yogi000	11/12/08 02:55 AM
Re: 4 bore ball size - sorry should have posted here initial	billeastern	11/12/08 03:00 AM
Re: 4 bore ball size - sorry should have posted here initial	Yogi000	11/12/08 03:32 AM
Re: 4 bore ball size - sorry should have posted here initial	DarylS	12/12/08 03:31 AM
Re: 4 bore ball size - sorry should have posted here initial	Yogi000	12/12/08 06:57 AM
Re: 4 bore ball size - sorry should have posted here initial	Yogi000	12/12/08 07:01 AM
Re: 4 bore ball size - sorry should have posted here initial	bigdog	12/12/08 09:44 AM
Re: 4 bore ball size - sorry should have posted here initial	billeastern	12/12/08 09:56 AM
Re: 4 bore ball size - sorry should have posted here initial	Yogi000	17/12/08 04:19 AM
Re: 4 bore ball size - sorry should have posted here initial	Omnivorous_Bob	17/12/08 06:05 PM
Re: 4 bore ball size - sorry should have posted here initial	Yogi000	18/12/08 02:27 AM
Re: 4 bore ball size - sorry should have posted here initial	Omnivorous_Bob	18/12/08 03:20 AM
Re: 4 bore ball size - sorry should have posted here initial	Yogi000	18/12/08 04:23 AM
Re: 4 bore ball size - sorry should have posted here initial	DarylS	18/12/08 05:11 AM
Re: 4 bore ball size - sorry should have posted here initial	Yogi000	18/12/08 07:40 AM
Re: 4 bore ball size - sorry should have posted here initial	billeastern	19/12/08 01:41 AM
Re: 4 bore ball size - sorry should have posted here initial	Kaimiloa	20/03/09 02:25 PM
Re: 4 bore ball size - sorry should have posted here initial	DarylS	17/12/08 10:11 AM
Re: 4 bore ball size - sorry should have posted here initial	billeastern	17/12/08 02:36 PM
Re: 4 bore ball size - sorry should have posted here initial	bigdog	17/12/08 04:46 PM
Re: 4 bore ball size - sorry should have posted here initial	billeastern	11/12/08 04:31 AM
Re: 4 bore ball size - sorry should have posted here initial	Yogi000	04/12/08 05:53 AM
Re: 4 bore ball size - sorry should have posted here initial	bigdog	04/12/08 11:10 AM
Re: 4 bore ball size - sorry should have posted here initial	Omnivorous_Bob	04/12/08 03:48 PM
Re: 4 bore ball size - sorry should have posted here initial	rigbymauser	06/12/08 10:53 PM
Re: 4 bore ball size - sorry should have posted here initial	billeastern	05/12/08 03:09 AM
Re: 4 bore ball size - sorry should have posted here initial	Yogi000	05/12/08 03:26 AM
Re: 4 bore ball size - sorry should have posted here initial	Omnivorous_Bob	05/12/08 06:35 PM
Re: 4 bore ball size - sorry should have posted here initial	billeastern	06/12/08 02:18 AM
Re: 4 bore ball size - sorry should have posted here initial	Yogi000	06/12/08 04:15 AM
Re: 4 bore ball size - sorry should have posted here initial	billeastern	06/12/08 06:05 AM
Re: 4 bore ball size - sorry should have posted here initial	DarylS	06/12/08 05:59 AM
Re: 4 bore ball size - sorry should have posted here initial	billeastern	06/12/08 06:17 AM
Re: 4 bore ball size - sorry should have posted here initial	Yogi000	06/12/08 06:49 AM
Re: 4 bore ball size - sorry should have posted here initial	billeastern	06/12/08 07:02 AM
Re: 4 bore ball size - sorry should have posted here initial	Yogi000	06/12/08 08:03 AM
Re: 4 bore ball size - sorry should have posted here initial	billeastern	06/12/08 08:08 AM
Re: 4 bore ball size - sorry should have posted here initial	bigdog	06/12/08 09:36 AM
Re: 4 bore ball size - sorry should have posted here initial	billeastern	06/12/08 12:55 PM
Re: 4 bore ball size - sorry should have posted here initial	DarylS	06/12/08 01:03 PM
Re: 4 bore ball size - sorry should have posted here initial	Omnivorous_Bob	06/12/08 06:33 PM
Re: 4 bore ball size - sorry should have posted here initial	bigdog	06/12/08 07:05 PM
Re: 4 bore ball size - sorry should have posted here initial	billeastern	07/12/08 12:23 AM
Re: 4 bore ball size - sorry should have posted here initial	bigdog	07/12/08 09:16 AM
Re: 4 bore ball size - sorry should have posted here initial	billeastern	01/12/08 04:54 AM
Re: 4 bore ball size - sorry should have posted here initial	szihn	01/12/08 07:55 AM
Re: 4 bore ball size - sorry should have posted here initial	billeastern	01/12/08 08:46 AM

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