M1903 Bolt w/D4 on Safety Lug

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  • thorin6
    Senior Member
    • Aug 2009
    • 360

    #1

    M1903 Bolt w/D4 on Safety Lug

    I have a bolt, straight handle, milled extractor, small gas hole, with D4 on the underside of the safety lug.
    Also, there may be a mark on the bottom of the bolt root but it's only a partial mark as best I can tell.
    For what year(s) M1903 would this bolt be appropriate?
    Thanks for any help.
    If pictures are necessary I can post them later.
  • John Beard
    Senior Member
    • Aug 2009
    • 2275

    #2
    Follow the link:

    Bolt Steel Lot Code Chart

    J.B.
    Last edited by John Beard; 12-08-2016, 08:07.

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    • thorin6
      Senior Member
      • Aug 2009
      • 360

      #3
      John,
      Thanks
      t6

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