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Thread: CMP Field Grade...strange number on Ithaca frame

  1. #1
    Join Date
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    CMP Field Grade...strange number on Ithaca frame

    I just received a CMP "Field Grade" M1911A1 Ithaca frame with Colt slide. I recognize most of the markings on it but cannot find any information on the number "28" that is stamped above the trigger guard. Any help would be great.
    Attached Images Attached Images
    Last edited by Eric the Red; 21st January 2023 at 12:36.


  2. #2
    Join Date
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    Welcome to the forum.

    Some identifying/rack number applied after production; nothing mentioned in the books about Ithaca stamping numbers in that location.

    Charles Clawson's Collector's Guide, 3rd Edition, page 126 lists that serial going to Transportation Officer, Raritan Ordnance Depot, Nixon, NJ on 02 January 1945.
    Likes (2) :
    Eric the Red (22nd January 2023), Rick McC. (25th January 2023)


  3. #3
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    I am pretty sure the date of the Ithaca side of it is from 1945 going off of the serial number. How can I tell the date of the Colt slide? Also, can you tell me any more information from the pictures I posted? Thank you in advance!

  4. #4
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    Some Colt slides have the serial number stamped underneath the firing pin stop. The slide stop looks later, 1949+.
    Likes (1) :
    Eric the Red (26th January 2023)


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