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Rear Sight Screws (Up Dated)

Posted: Fri Jun 24, 2016 8:34 am
by Wildgoose
Anyone happen to have the tread dimensions for the rear barrel sight mounting screws?
Found out from another source, its 6-40 thread. Not commonly available but McMaster-Carr does have them. Only as slot head and blued? No. Still the socket head black will do for mounting Marbles or Lyman folding rear barrel sights. :D