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Double Rifles, Single Shots & Combinations >> Single Shots & Combination Guns

Glenn_Fewless
.300 member

Reged: 08/05/08
Posts: 103
Loc: Wisconsin, USA

.577 2-3/4" barrel shank diameter
18/01/09 04:44 AM

Gentlemens:

I have recently acquired an early Gibb Farquharson action that is alleged to have been originally chambered in .577-450, and the extractor dimensions support this. The .577-.450 is an anomaly in Gibbs rifles and a chambering that doesn't interest me. Only the action exists and from the two digit serial number I would estimate a born on date in the late 70's

From what I can gather it seems that about this time Gibbs offered his Gibbs .461 #1 and #2, the .500 Express and the .577 2-3/4". Of these the one that interests me the most is the .577.

Howsomever, this is a standard size action with a 1" diameter barrel thread. My question is if this is large enough of a barrel shank to chamber in .577? Assuming the it was chambered for the .577-.450 (per Kirton and the extractor) the .577 case should be no more of a burden on the barrel as it is the same diameter as the .577-450 at the barrel shank.

Any insight you gentlemen can offer would be most welcome. If anyone has a falling block .577 I sure would be interested to learn the barrel shank diameter. Also, if anyone has a BP double rifle it would be instructive to learn the wall thickness of the chambers. Any information would be greatly appreciated.

Thanks!

Glenn

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Subject	Posted by	Posted on
.577 2-3/4" barrel shank diameter	Glenn_Fewless	18/01/09 04:44 AM
Re: .577 2-3/4" barrel shank diameter	peter	18/01/09 06:04 AM
Re: .577 2-3/4" barrel shank diameter	Bramble	18/01/09 06:18 AM
Re: .577 2-3/4" barrel shank diameter	Glenn_Fewless	18/01/09 09:38 AM
Re: .577 2-3/4" barrel shank diameter	Bramble	18/01/09 11:23 AM
Re: .577 2-3/4" barrel shank diameter	Glenn_Fewless	18/01/09 12:46 PM
Re: .577 2-3/4" barrel shank diameter	belgmart	19/01/09 01:14 AM
Re: .577 2-3/4" barrel shank diameter	Bramble	19/01/09 05:13 AM
Re: .577 2-3/4" barrel shank diameter	Glenn_Fewless	19/01/09 05:44 AM
Re: .577 2-3/4" barrel shank diameter	belgmart	20/01/09 05:19 AM
Re: .577 2-3/4" barrel shank diameter	Glenn_Fewless	20/01/09 08:46 AM
Re: .577 2-3/4" barrel shank diameter	belgmart	21/01/09 05:22 AM
Re: .577 2-3/4" barrel shank diameter	Glenn_Fewless	21/01/09 07:52 AM
Re: .577 2-3/4" barrel shank diameter	belgmart	22/01/09 04:56 AM

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