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Smith & Wesson Model 59 rear sight blade replacement

PA ShootistPA Shootist Member Posts: 680 ✭✭✭

I need to replace a broken-off sight blade on a Smith & Wesson Model 59. The blade moves side-to-side in a slot, its screw threads engaged by the adjustment screw. A video on replacement of these sight blades says to "break" the adjusting screw when turned fully out, due to the screw being riveted open on its left-side end, in a nut which can then be removed with a spanner. But then the screw needs replaced. Is this screw the same size and threads as the commonly available parts for the S&W revolvers? I can't find these parts listed for the semi Model 59.


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