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Model 75 receiver thread pitch/diameter?
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AaronE
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March 31, 2017 - 6:07 pm
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I have a model 75 in the shop to be rebarreled, unfortunately the receiver threads have most the the barrel shank threads still in the receiver.  I have picked most of it out, but would like to drop a tap through it…its the finding of one that is the issue.  any ideas?

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April 1, 2017 - 3:00 am
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The receiver is threaded .640 x 24 UNS-2B for the barrel.  I doubt if you can easily find a tap in that size and if you have a custom tap made it will be pricey.

You can chuck the receiver in a lathe and chase them out by lightly re-cutting them.  Any good machine shop can do that if you give them the above specs.

Good luck with your project.

Regards,

WACA Life Member #6284 - Specializing in Pre-64 Winchester .22 Rimfire

http://rimfirepublications.com/  

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April 2, 2017 - 8:50 pm
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That’s the kind of information that makes this association invaluable. You can thank the group by finding someone to join the group. The next time at the range, and you see someone with a Winchester, or any lever action, give them an application. Who knows you might find a new shooting buddy.

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 “There is but one answer to be made to the dynamite bomb and that can best be made by the Winchester rifle.”

Teddy Roosevelt 

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