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Double Rifles, Single Shots & Combinations >> Building Double Rifles & Gunsmithing
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Nakihunter
.375 member


Reged: 13/10/07
Posts: 588
Loc: New Zealand
Re: Hollis Cape Gun -303 X 12Ga " I need some advise "
      18/08/08 06:20 PM

I would suggest a couple of things

1. Try fire lapping the bore - roll .311 lead bullets in 80 & 120 grinding grit & reload with a gas check & fire at say 2000fps - 10 shots each. Then slug the bore & see if it is .312 or more. Then shoot normal bullets & see how it groups. This will not cost you much & could make it into a serviceable rifle if the pitting is not too deep & if the barrel crown is ok.
2. If this does not shoot well, then I would re-bore it to a 8X57R with .323 bore. I feel that .375 is too big for that barrel - I have a 9,5X57MS & the metal around the bore looks as thick as this. You are looking at 0.032 inch to be removed from the wall of the bore to make it 0.064 larger in diameter.

I would also have the crown re-ground before I try re-boring.

Good luck rifle.

--------------------
Always shoot through the target & not just at it.

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Entire topic
Subject Posted by Posted on
* Hollis Cape Gun -303 X 12Ga " I need some advise " Sarg 16/08/08 01:02 PM
. * * Re: Hollis Cape Gun -303 X 12Ga " I need some advise " JabaliHunter   16/08/08 08:32 PM
. * * Re: Hollis Cape Gun -303 X 12Ga " I need some advise " Sarg   17/08/08 04:54 PM
. * * Re: Hollis Cape Gun -303 X 12Ga " I need some advise " 88MauSporter   18/08/08 02:49 AM
. * * Re: Hollis Cape Gun -303 X 12Ga " I need some advise " Paul   18/08/08 05:53 PM
. * * Re: Hollis Cape Gun -303 X 12Ga " I need some advise " Nakihunter   18/08/08 06:20 PM
. * * Re: Hollis Cape Gun -303 X 12Ga " I need some advise " JabaliHunter   18/08/08 08:21 PM
. * * Re: Hollis Cape Gun -303 X 12Ga " I need some advise " DarylS   19/08/08 02:00 AM
. * * Re: Hollis Cape Gun -303 X 12Ga " I need some advise " Ron_Vella   19/08/08 10:17 AM
. * * Re: Hollis Cape Gun -303 X 12Ga " I need some advise " 88MauSporter   19/08/08 01:46 PM
. * * Re: Hollis Cape Gun -303 X 12Ga " I need some advise " Sarg   19/08/08 03:52 PM
. * * Re: Hollis Cape Gun -303 X 12Ga " I need some advise " 88MauSporter   20/08/08 01:21 PM
. * * Re: Hollis Cape Gun -303 X 12Ga " I need some advise " JabaliHunter   20/08/08 09:13 PM
. * * Re: Hollis Cape Gun -303 X 12Ga " I need some advise " DarylS   21/08/08 02:28 AM
. * * Re: Hollis Cape Gun -303 X 12Ga " I need some advise " Story   22/10/08 05:35 AM
. * * Re: Hollis Cape Gun -303 X 12Ga " I need some advise " 88MauSporter   17/08/08 05:45 AM

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