Is it authentic? Repro? Didn’t come with front sight, does the factory one work with this sight? Will the taller Grünal front sight work? How do you set it up? What model sight is it?
https://www.milsurps.com/images/impo...d5846fee-1.jpghttps://www.milsurps.com/images/impo...8cd8af69-1.jpg