How to measure chamber length

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Neilm

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I was recently given 3 sxs shotguns to get rid of. One is a J.W. Tolley in pristine condition. It is hammerless with 25" barrels and ejectors. It is marked as a 2 1/2 " chamber. I was told that it has been opened to 2 3/4". I'm thinking of keeping it for myself because I've never had a shotgun fit so good. If I keep it, I have 2 1/2 inch shells so it is no problem but if I decide to sell it I would like to be able to say with confidence that it is 2 3/4". Is there a way to tell for sure where the chamber ends and forcing cone starts.
Thanks

Neil
 
Well, without proper gauges I will suggest a low tech way to test your suspicion . Take the barrels off so that the ejectors will stay flush with the breech. Gently slide in a fired 2 3/4" shell and unless it hangs up in the final 1/8" then you can be pretty sure the chambers have been opened up.
 
First, you have a J & W Tolley, not a J W Tolley.

Take an old plastic card like a CC. Cut it lengthwise so it will slide into the chamber in a tight fit. Mark how far in it will go. Measure it. That’s the chamber length.

Tolley’s are very fine guns. Would be a shame if it has been butchered like that.
 
I realize that it is a very fine gun, That is why I am thinking of keeping it although I am physically unable to walk more than 100 yds.
 
remington jim said:
canvasback said:
First, you have a J & W Tolley, not a J W Tolley.

Take an old plastic card like a CC. Cut it lengthwise so it will slide into the chamber in a tight fit. Mark how far in it will go. Measure it. That’s the chamber length.

Can i use a popsicle stick ? :) RJ
Click to expand...

If it’s the exact width of the mouth of the chambers. Which I doubt. The point of the plastic card is the easy ability to get an exact fit.
Click to expand...
 
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