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Joined: Dec 2020
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Boxlock
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OP
Boxlock
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Hello I own a Darne R13 in 12 ga. and the mouth of the left chamber is .803 in. I am cutting down win.AA shells to fit the 2.5 in. chambers but the maximum allowed cartridge size at the mouth of the chamber is .810 and the actual unfired AA shells measure .806 in. or more. Obviously I can't chamber them. I have managed to swaddge down the AA shells to .803 in. but this makes for very hard extraction. 1. Why are Darne chambers so tight? 2. Is any ammo available to fit these chambers? 3. Should I ream the chambers? Regards DblFixer
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Joined: Jun 2008
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Sidelock
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Sidelock
Joined: Jun 2008
Posts: 5,532 Likes: 169 |
Hello DblFixer Welcome on your first posting Can you post the proof marks? Maybe a 2 inch chamber? Have you called RST? http://www.rstshells.com/store/m/2-12-Gauge.aspxWelcome Mike
Last edited by skeettx; 12/31/20 02:18 PM.
USAF RET 1971-95
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Joined: Jan 2002
Posts: 9,741 Likes: 743
Sidelock
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Sidelock
Joined: Jan 2002
Posts: 9,741 Likes: 743 |
Hello I own a Darne R13 in 12 ga. and the mouth of the left chamber is .803 in. I am cutting down win.AA shells to fit the 2.5 in. chambers but the maximum allowed cartridge size at the mouth of the chamber is .810 and the actual unfired AA shells measure .806 in. or more. Obviously I can't chamber them. I have managed to swaddge down the AA shells to .803 in. but this makes for very hard extraction. 1. Why are Darne chambers so tight? 2. Is any ammo available to fit these chambers? 3. Should I ream the chambers? Regards DblFixer What is the chamber size on the right barrel? Do you have trouble with that chamber? Ive never heard this exact complaint leveled against Darne guns, in general. It would be my guess that it was measured at the proof house, and passed spec. But, if you dont have problems with the right side, it might need to be reamed, or, perhaps polished. Just me, maybe, but, Id make them match, assuming the right side isnt sloppy. Best, Ted
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Joined: Jan 2002
Posts: 9,741 Likes: 743
Sidelock
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Sidelock
Joined: Jan 2002
Posts: 9,741 Likes: 743 |
Hello DblFixer Welcome on your first posting Can you post the proof marks? Maybe a 2 inch chamber? Welcome Mike Pretty sure he is having problems with the ID of the hole, not length. Best, Ted
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Joined: Dec 2020
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Boxlock
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Boxlock
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The left chamber is .806. Still a problem. The proof is 6.5 and crown over PT. and epreuve triple. Also has Hors Councours? and three stamps. I have a 165 kb jpeg on my computer but can't figure out how to post it, The post image asks for a url?
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Joined: Mar 2011
Posts: 4,080 Likes: 466
Sidelock
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Sidelock
Joined: Mar 2011
Posts: 4,080 Likes: 466 |
By unfired, I assume you mean factory fresh, never fired. I have a French resizing die made by Manufrance over 50 years ago and as soon as I find my elusive dial calipers I'll measure the ID and compare with what you have. I was able to insert NIB Win. game loads into the die, but unfired Fiocchi hulls were a tighter fit. I also assume you have thoroughly cleaned the left chamber for potential plastic build up.
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Joined: Jan 2002
Posts: 9,741 Likes: 743
Sidelock
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Sidelock
Joined: Jan 2002
Posts: 9,741 Likes: 743 |
The left chamber is .806. Still a problem. The proof is 6.5 and crown over PT. and epreuve triple. Also has Hors Councours? and three stamps. I have a 165 kb jpeg on my computer but can't figure out how to post it, The post image asks for a url? Email me the picture, and I will post it, here. Good clear shot of the flats. Best, Ted
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Joined: Jan 2002
Posts: 9,741 Likes: 743
Sidelock
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Sidelock
Joined: Jan 2002
Posts: 9,741 Likes: 743 |
Picture. Most of the flats, anyway: That is an old gun. The 6.5 chamber marking, per our friend Argos research, puts it around 1910 or so production. Your measurements tell me it is a 12 gauge. Did you measure the right side of the breech? Best, Ted
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Joined: Dec 2020
Posts: 20
Boxlock
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OP
Boxlock
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Right is .803 in. Left is ,806 in.
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Joined: Dec 2020
Posts: 20
Boxlock
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Boxlock
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Yes by unfired I mean factory fresh. The chambers are clean and shiny.
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