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Double Rifles, Single Shots & Combinations >> Single Shots & Combination Guns
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karamoja
.275 member


Reged: 25/04/12
Posts: 83
Loc: Herefordshire, GB
Greener GP Conversion????
      #226459 - 05/03/13 10:18 PM

Hi all,

I have a Greener GP sitting there, its a nice one with a 100% origional factory colour hardening, nice wood etc. It is one of the latter ones with circlips though. Will it take a full bore, higher service pressure if so up to what caliber. I was thinking maybe .375 2 1/2 or what about a big bore? All thoughts appreciated.

Regards - K

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DoubleD
.400 member


Reged: 23/11/03
Posts: 2399
Loc: Retired in Oklahoma
Re: Greener GP Conversion???? [Re: karamoja]
      #226465 - 06/03/13 02:31 AM

No. The Circlip guns apart from being ugly with those clips, are not recommended for conversion to centerfire cartridges. The action is a shotgun action and should remain a shotgun.

Look around for a commercial Martini Henry action and build on that.

Or as an alternative contact IMA in the U.S. and have them send you an untouched Mk II http://www.ima-usa.com/militaria/origina...-untouched.html

Use the action to build your rifle.

--------------------
DD, Ret.

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gungadoug
.333 member


Reged: 13/08/12
Posts: 285
Loc: NM
Re: Greener GP Conversion???? [Re: DoubleD]
      #226942 - 13/03/13 06:42 AM

I agree with DD re: the circlip guns. I have a Mk III, earlier without circlips, as does a friend of mine who did the work, as a barrel changer set. Barrels in 12 ga, 12 bore rifle, 50-90, 375 2 1/2", .303, 45-70, and .22! Very versatile set. I have fired many rounds thru all barrels, with no troubles whatsoever. Bear in mind, the .303, and possibly .375 need to be kept to earlier, and milder, loadings.
Doug

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