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Hey all,
I was thinking about checkering the front strap of a soon to arrive 1911.
I have a mill and a rotary table that I have access to. I would do a 20LPI which would be a pass at every 50 thou.
I know that the radius of the front strap is 7/8, or 875 thou, and that a jig would have to be made in order to bolt the frame to the rotary table.
I'm not sure if there is anything else to it?
I would appreciate all advise since I don't want to mess up the frame and since I'm still a student, I don't have the $$$ to send it to a gunsmith.
A great big thanks to all that can help.
Best regards,

-sixty9santa
 

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Home-grown machine checkering

If you are determined to do it yourself, I would see about finding a piece of metal stock, with the appropriate radius, to practice on first.
Pete Single, one of the finest machinests in the country, does a lot of machine checkering for some of the biggest names out there. I know that he re-profiles the front strap before checkering, as most are not anywhere near spec.
 
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