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Forums10
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Jul 28th, 2025
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Joined: Jan 2006
Posts: 127
Sidelock
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OP
Sidelock
Joined: Jan 2006
Posts: 127 |
Maybe this time?    Ahh, sweet success. Thanks, Jim
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Joined: Mar 2005
Posts: 709
Sidelock
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Sidelock
Joined: Mar 2005
Posts: 709 |
Standard proof for finished gun on barrels, Single smokeless powder proof for gun should be equal to 11000 psi. Bored to 17 gage so it's a bit tight. Choke bore, steel of something (I can't see). Both barrels weight the same.
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Joined: Nov 2005
Posts: 1,274 Likes: 1
Sidelock
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Sidelock
Joined: Nov 2005
Posts: 1,274 Likes: 1 |
The 17.0 mark is the bore diameter in millimeters, or .669". The 65 mark is the chamber length in millimeters, almost 2 9/16".
I learn something every day, and a lot of times it's that what I learned the day before was wrong
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Joined: Dec 2001
Posts: 12,743
Sidelock
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Sidelock
Joined: Dec 2001
Posts: 12,743 |
As nominal 16 gauge size is .662" (16.8mm) the bore at 17.0mm as James correctly identified is sightly over bore rather than Tight.
Miller/TN
I Didn't Say Everything I Said, Yogi Berra
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Joined: Mar 2005
Posts: 709
Sidelock
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Sidelock
Joined: Mar 2005
Posts: 709 |
So the 6.5 is in cm rather then mm. Very good, you don't learn unless you hang it out.
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Joined: May 2011
Posts: 1,217 Likes: 28
Sidelock
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Sidelock
Joined: May 2011
Posts: 1,217 Likes: 28 |
AFAIK, unlike Belgian, Austrian and German guns, other than checking for changes in the other proof marks and correlating that to a range of dates there is no particular way of telling which year a French gun went through proof. I.e., the French didn't stamp specifically for year like the Belgians and Austrians or year and month like the Germans.
From the looks of the barrels, best guess would be the inter-war years, probably earlier rather than later.
fiery, dependable, occasionally transcendent
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Joined: Jun 2008
Posts: 5,694 Likes: 225
Sidelock
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Sidelock
Joined: Jun 2008
Posts: 5,694 Likes: 225 |
Look here Your proof marks will be from the St Etienne proof house http://www.shotguns.se/html/france.html
Last edited by skeettx; 08/20/12 09:14 PM.
USAF RET 1971-95 ![[Linked Image from jpgbox.com]](http://www.jpgbox.com/jpg/57865_80x60.jpg)
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Joined: Mar 2005
Posts: 709
Sidelock
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Sidelock
Joined: Mar 2005
Posts: 709 |
What a great source! I've been looking for proof info every since I lost my little book on proofs.
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