Sight Elevation Click Plug, Rear - Rear Sight Elevation Click Plug For S&W 317/60/631

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Smith & Wesson Rear Sight Blade Kit K, L, N-Frame with .126" Blue Blade, Windage Nut, Screw and Instructions

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Smith & Wesson Rear Sight Blade Kit K, L, N-Frame with .146" White Outline Blade, Windage Nut, Screw

Williams WGOS Rear Sight Base Medium (0.730" to 0.830" Barrel Diameter)

Lyman 3572091 57SMET REC Sight Target KNoBS