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ITHACA SUPER 10 TO 3.5"?
Unread 06-04-2017, 11:36 PM   #1
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Default ITHACA SUPER 10 TO 3.5"?

Opinions wanted on taking an Ithaca Super 10 from 2 7/8" to 3 1/2."

I know the Supers are rarer than the 3 1/2" magnums, but it is what I want to use. Do you think Ithaca beefed up the guns when they went to extended chambers in 1932 (I believe that was the year)?

Thanks for the input.
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Unread 06-05-2017, 07:28 AM   #2
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Ithaca 10 GA 3 1/2" Magnums weigh in between 10 1/2 and 12 lbs. Compare that weight with your gun's. That's the level of beefing done.
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Unread 06-05-2017, 07:30 AM   #3
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According to Walt Snyder's book, they did beef up the gun for the magnums.
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Unread 06-05-2017, 07:35 AM   #4
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They are heavy and i would think you should not have too much trouble physically lengthening the chamber from a wall thickness standpoint.

The magnum tens had a through lug on the barrels which was supposed to have made the difference in it holding up to the heavier loads. The earlier Super tens did not.
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Unread 06-05-2017, 08:32 AM   #5
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I wouldnt.
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Unread 06-05-2017, 09:44 AM   #6
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Please please please


Do not modify a super ten.

If you want a 3 1/2 inch magnum NID there are several for sale on the various sites now


There are many who would give an unaltered ( chamber and chokes) Ithaca super ten a loving home and a chance to do what it was designed for
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Unread 06-05-2017, 09:48 AM   #7
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Ithaca Gun Co. warned against it at the time.

Magnum-Ten Announcement 1.jpg

Magnum-Ten Announcement 2.jpeg

I wouldn't do it. Ithaca's NID Magnum-frame is longer, has a larger diameter hinge pin, and the barrel lug extends through the bottom of the frame.
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Unread 06-05-2017, 09:58 AM   #8
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Magnum frame --

500168 02 bottom.jpg

Magnum barrel lug --

500168 01 barrel flats.jpg
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Unread 06-05-2017, 10:03 AM   #9
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Oh my.
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Unread 06-05-2017, 12:19 PM   #10
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Thank you Gentlemen for your replies. I truly did not know if they modified the frame from 1926 with the Supers to the 3 1/2 inchers.

That is what is so good about this site, ask a question and one get the information needed to make an informed decision.
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