That is not a pinned on sight. It is probably a blued Weigand base for a Classic clip on sight. Most likely, the front and rear were changed out by a previous owner. The rear sight is a standard S&W base with an aftermarket blade replacement. I can't recall who made those right now. It is probably a -3 or earlier.
Last edited by Protocall_Design; 06-24-2018 at 05:59 PM.
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