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Ithaca 37 barrel fitting

Discussion in 'Gunsmithing and Repairs' started by rbernie, Sep 10, 2011.

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  1. rbernie
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    rbernie Member

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    I've heard said that the older Ithaca 37's had to have replacement barrels fitting to the action. What specifically needed to be done to fit a replacement barrel?
     
  2. phaeton7919

    phaeton7919 Member

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    Ithaca Model 37 in 12 Ga.after serial no. 850,000 usually do not require any
    fitting of new barrels
     
  3. gunplumber

    gunplumber Member

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    Old and new style bbls will not swap. There is a distinct number that is related by Ithica and good luck getting the old style from the factory. I was told I bought the last one several years ago for a 16 ga. Others may be available but I wouldn't bet on it.
     
  4. rbernie
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    rbernie Member

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    Old style barrels and receivers are readily available used. The question is how to fit one to t'other.
     
  5. 250-3000

    250-3000 Member

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    I sent a 20 gauge back to the factory ~30 yrs ago to have a different barrel fitted, looked like they took an existing barrel and un-sweated the lug that the forend cap engages and moved it around the barrel until the head space?? was correct.
     
  6. rbernie
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    rbernie Member

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    Interesting - thanks.
     
  7. stan rose

    stan rose Member

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    What is the serial number range of your shot gun?
     
  8. rbernie
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    rbernie Member

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    From memory - it's a nine digit number that starts with 377.
     
  9. PreMod70

    PreMod70 Member

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    The early 37's do not have an interrupter thread so the barrel on the early models can be installed with a thread widths headspace or two causing catastrophic failure. The later models have an interrupter thread so that one has to install the barrel fully into the action for a correct headspace. There was a fellow that took 37 barrels, welded them up and recut the threads. I don't if he is still doing this or not, I don't recall his name.
     
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