Aperture Threading

dfletcher

October 06, 2022 01:58

What is the shank threading on aperture sights for Lyman, Redfield, Williams and Brownells made aperture peep sights? I know Marbles is different. Am interested in the Lyman types only.

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  chris8X57

  October 06, 2022 02:11

  Most Lyman and Redfield used a 7/32-40 thread aperture. Kind of a non-standard thread.

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  dfletcher

  October 06, 2022 03:43

  Thanks -

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  John J Stimson

  October 06, 2022 14:26

  7/32-40 is #12-40 Taps are not common but available

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