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May 18, 2011, 05:12 PM | #1 |
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Join Date: July 31, 2007
Posts: 19
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Old Single Shot Chamber Question
I just bought an old Iver Johnson 16 gauge single-shot shotgun and have no idea what the chamber length is. I plan on using 2 1/2 inch light loads, but would like to know if it is a 2 3/4 inch chamber just in case I needed to use one. I have read a lot of posts about having a gunsmith check it and I would do that if I had one nearby, but wouldn't it be a reliable test "if a fired 2 3/4 inch 16 gauge empty hull will seat in the chamber and lock-up without crimping the end back down any." Thanks
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May 18, 2011, 06:30 PM | #2 |
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16's can be 2-1/2, 2-9/16, or 2-3/4...not a lot of difference, but enough
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May 18, 2011, 07:50 PM | #3 | |
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Quote:
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Only two defining forces have ever died for you: 1. Jesus Christ. 2. The American Soldier, Sailor, Airman, & Marine. One died for your soul, the other for your freedom. Last edited by badge851; May 18, 2011 at 07:56 PM. |
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May 18, 2011, 09:34 PM | #4 |
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Join Date: August 23, 2008
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That would be one way to check it. An even better, more sure way, is to place an unfired/empty 2¾"hull in the chamber. If it ejects w/o any taper at the opening, it's a 2¾" chamber.The fallacy of this method has been discussed ad noisome in previous threads. |
May 19, 2011, 07:34 PM | #5 |
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Join Date: September 19, 2008
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[I just bought an old Iver Johnson 16 gauge single-shot shotgun and have no idea what the chamber length is.]
[ I would like to know if it is a 2 3/4 inch chamber just in case I needed to use one.] Obtain a wood dowel that's will barely slide into the chamber. Wrap the end with masking or electrician's tape (even with said end) until it's a snug sliding fit in the chamber at that end. Slide the wrapped dowel into the chamber being measured, slowly & carefully, until it's forward motion is stopped by the chamber's forcing cone. Do not force it as deep as you can, or you will distort the tape/shim, and thereby alter the measurement. Mark the rear of the dowel at the rear of the barrel/chamber. Withdraw the wrapped dowel, and measure the distance from the tip of the wrapped end to the mark - you should have the chamber length. . |
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