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

DarylS
.700 member


Reged: 10/08/05
Posts: 27690
Loc: Beautiful British Columbia, Ca...
Re: BUSTED 2 BORE
      11/02/09 02:46 AM


Bigdog - how deep is the rifling? That ball is already .017" smaller than the bore.

In the pics, the rifling looked to be at least .020" deep. Your way undersized ball needs to be patched to reach the bottom of the grooves or the bore will foul badly.

With the ball 8 1/2 thou.(with .020" deep rifling) undersized per side, and .020" rifling per side, you'd need a .0285" patch just to reach the bottom of the grooves. That's heavier than 12 pound denim which is .025" or thereabouts.

We normally use a ball .005" under bore size with a .020" denim patch. With WW (HARD) balls, .010" to .015" undersize and the same or slightly heavier patch usually works with low pressure loads.

Smoothing the angles to a radius at the muzzle's crown might be necessaary to assist loading.

Are you shooting hard or pure lead?

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


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

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Entire topic
Subject Posted by Posted on
* BUSTED 2 BORE bigdog 26/10/08 07:44 AM
. * * Re: BUSTED 2 BORE mehulkamdar   26/10/08 11:48 AM
. * * Re: BUSTED 2 BORE bigdog   26/10/08 04:15 PM
. * * Re: BUSTED 2 BORE Huvius   27/10/08 02:53 AM
. * * Re: BUSTED 2 BORE Caprivi   27/10/08 03:29 AM
. * * Re: BUSTED 2 BORE DarylS   27/10/08 12:27 PM
. * * Re: BUSTED 2 BORE bigdog   27/10/08 03:41 PM
. * * Re: BUSTED 2 BORE Mike_Bailey   27/10/08 06:18 PM
. * * Re: BUSTED 2 BORE Paul   07/12/08 11:54 PM
. * * Re: BUSTED 2 BORE bigdog   08/12/08 03:43 AM
. * * Re: BUSTED 2 BORE degoins   17/12/08 12:53 PM
. * * Re: BUSTED 2 BORE Paul   17/12/08 03:24 PM
. * * Re: BUSTED 2 BORE bigdog   17/12/08 04:49 PM
. * * Re: BUSTED 2 BORE DarylS   18/12/08 05:30 AM
. * * Re: BUSTED 2 BORE bigdog   18/12/08 10:05 AM
. * * Re: BUSTED 2 BORE Shackleton   22/12/08 06:43 AM
. * * Re: BUSTED 2 BORE DarylS   22/12/08 07:47 AM
. * * Re: BUSTED 2 BORE bigdog   22/12/08 04:40 PM
. * * Re: BUSTED 2 BORE themadhatter   10/02/09 02:07 PM
. * * Re: BUSTED 2 BORE DarylS   11/02/09 02:46 AM
. * * Re: BUSTED 2 BORE 450_366   27/10/08 06:30 PM
. * * Re: BUSTED 2 BORE bigdog   29/10/08 04:05 PM
. * * Re: BUSTED 2 BORE bigdog   06/12/08 09:41 AM
. * * Re: BUSTED 2 BORE DarylS   06/12/08 12:49 PM
. * * Re: BUSTED 2 BORE Shackleton   07/12/08 12:31 PM
. * * Re: BUSTED 2 BORE szihn   26/10/08 08:54 AM
. * * Re: BUSTED 2 BORE tinker   26/10/08 08:58 AM
. * * Re: BUSTED 2 BORE tinker   26/10/08 08:53 AM

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