Ruger Mk IV 22/45 Lite, grip screw question

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Brother_Love

Single-Sixer
Joined
Dec 20, 2006
Messages
190
Location
South Mississippi
Sadly, I have stripped one of the brass grip screw inserts in the frame of my 22/45. I really do not want to have to send it back to Ruger so I need to find out what size they are so I can run a tap through it.

Does anyone know what size it is? I would appreciate your help.

Thanks
 
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