question on NPM from early 1944

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  • RCS
    Senior Member
    • Aug 2009
    • 2180

    #1

    question on NPM from early 1944

    Receiver is 4,245,829 and barrel is IBM (no date) what is the correct hammer ?
  • Tuna
    Senior Member
    • Aug 2009
    • 2686

    #2
    A type 3 hammer marked with HN, H1 or NHTE

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