Early 870 Wingmaster, bayonet attachment

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  • amac
    Junior Member
    • Oct 2010
    • 16
    #1

    Early 870 Wingmaster, bayonet attachment

    I need to know what the correct bead sight size for the original 870 bayonet attachment like the one attachment pic? Not the thread size but bead size...
    Also, is there a correct measurement on where the hole for a sling swivel would go on the early riot butt stock as well?
    Please advise if you can. I would appreciate it!
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    • mtrpdw
      Member
      • Feb 2011
      • 44
      #2
      Bead Diameter for the Two-Piece Bayonet Adaptor Sleeve: 0.150". Dull silver/grey in colour, and made of steel.. This type are still fairly common and have a #3-56 TPI.

      Location of Bead on Two-Piece Adaptor Sleeve: 0.488" back from front edge of Adaptor.

      Location of Rear Stock Swivel (full wood stock with Butt Plate - not Butt Pad) - measured from toe of Butt Stock (not including Butt Plate) to centre of swivel hole: 2-1/2" - 2-3/4". I have several of these stocks and location of hole varies a bit - probably because were done in batches and drilled at different times.

      Proper Rear Swivel is a one-piece, "Witchita" type - same on used on the older Remington 513T .22 target rifle and Remington USMC M40/M40A1 sniper rifles.

      Cheers!

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        • amac
          Junior Member
          • Oct 2010
          • 16
          #3
          You're the best....excellent information! Thanks very much

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