Gehmann PH577 Rearsight Short adaptor For Parker Hale or Redfield
$38.00 CAD
This adpator will allow you to use most Gehmann rearsight iris to fit your Parker Hale.
Parker Hale side, Male, M.40 x 10 Fine thread This information was not accurate and was corrected by Gehmann
Standard Diopter thread is M9.5 x 1.0
For optical Adaptors we use M9x0,75 (for this PH577)
Parker Hale Thread is 7/32“x40Gg BS (55 degree flankangle)
Redfield use 7/32x40Gg Ansi ( 60 degree flankangle)
Wil only work with Gehmann iris with removable adaptor
Will not fit iris with diopter, see picture
