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Sarg
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Reged: 20/01/07
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Some Info on ball mould size in 12 & 8 Bore ?
      13/12/11 10:58 PM

Bit of a query here guys , I'm getting a couple of RB moulds made up , one for my 12bore & one for a project 8bore , what is the normal or preferred amount over the groove size , I have read from .002 to .005 , just thought I would check with the guys in the know ?

I don't have the 12 bore measurements to check , but from my records it was .734 , I had a mould made at .737 which throws a .736 ball in WW & that ball only just gets marked by the rifling (semi invisible rifling , sort of) when pushed through the barrels , so I want a larger ball .

8 Bore is .830 Bore & .845 Groove , a plastic Winchester industrial shell can take up to .850 ball with out stretching/bugling the case & is still within chamber specs .

Any opinions would help ?

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Entire topic
Subject Posted by Posted on
* Some Info on ball mould size in 12 & 8 Bore ? Sarg 13/12/11 10:58 PM
. * * Re: Some Info on ball mould size in 12 & 8 Bore ? gatsby   17/12/11 03:44 PM
. * * Re: Some Info on ball mould size in 12 & 8 Bore ? gatsby   17/12/11 03:40 PM
. * * Re: Some Info on ball mould size in 12 & 8 Bore ? CommandCar   17/12/11 02:06 PM
. * * Re: Some Info on ball mould size in 12 & 8 Bore ? Sarg   17/12/11 11:54 PM
. * * Re: Some Info on ball mould size in 12 & 8 Bore ? CommandCar   18/12/11 03:31 PM
. * * Re: Some Info on ball mould size in 12 & 8 Bore ? Sarg   18/12/11 07:13 PM
. * * Re: Some Info on ball mould size in 12 & 8 Bore ? tinkerModerator   19/12/11 01:49 AM
. * * Re: Some Info on ball mould size in 12 & 8 Bore ? Sarg   19/12/11 05:44 PM
. * * Re: Some Info on ball mould size in 12 & 8 Bore ? CommandCar   21/12/11 04:53 AM
. * * Re: Some Info on ball mould size in 12 & 8 Bore ? DarylS   21/12/11 05:03 AM
. * * Re: Some Info on ball mould size in 12 & 8 Bore ? DarylS   21/12/11 05:29 AM
. * * Re: Some Info on ball mould size in 12 & 8 Bore ? Sarg   21/12/11 12:11 PM
. * * Re: Some Info on ball mould size in 12 & 8 Bore ? CommandCar   21/12/11 12:57 PM
. * * Re: Some Info on ball mould size in 12 & 8 Bore ? rigbymauser   17/06/12 06:06 AM
. * * Re: Some Info on ball mould size in 12 & 8 Bore ? CommandCar   21/06/12 08:19 AM
. * * Re: Some Info on ball mould size in 12 & 8 Bore ? rigbymauser   22/06/12 06:25 AM
. * * Re: Some Info on ball mould size in 12 & 8 Bore ? DarylS   22/06/12 01:24 AM
. * * Re: Some Info on ball mould size in 12 & 8 Bore ? DarylS   18/06/12 02:08 AM
. * * Re: Some Info on ball mould size in 12 & 8 Bore ? tinkerModerator   18/06/12 02:05 PM
. * * Re: Some Info on ball mould size in 12 & 8 Bore ? CommandCar   20/12/11 02:23 PM
. * * Re: Some Info on ball mould size in 12 & 8 Bore ? tinkerModerator   20/12/11 02:51 PM
. * * Re: Some Info on ball mould size in 12 & 8 Bore ? gatsby   19/12/11 01:58 PM
. * * Re: Some Info on ball mould size in 12 & 8 Bore ? DarylS   19/12/11 03:53 PM
. * * Re: Some Info on ball mould size in 12 & 8 Bore ? gatsby   18/12/11 04:08 PM
. * * Re: Some Info on ball mould size in 12 & 8 Bore ? CommandCar   18/12/11 04:50 AM
. * * Re: Some Info on ball mould size in 12 & 8 Bore ? Sarg   18/12/11 12:32 PM
. * * Re: Some Info on ball mould size in 12 & 8 Bore ? gatsby   18/12/11 01:34 PM
. * * Re: Some Info on ball mould size in 12 & 8 Bore ? DarylS   18/12/11 04:58 AM

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