Williams REAR SIGHT Curved BASE With SLIDE Medium Base Radii .730-.830 (NOS)

NOS Williams Guide Open Sight Base and Elevation Slide Size Medium

Williams Rear Sight Curved Base Elevation Slide Base RADII Small .660-.730 NEW

Williams REAR SIGHT Curved BASE With SLIDE Small Base Radii .660-.730 (NOS)

Williams Rear Sight Curved Base Elevation Slide Base RADII Large .830-.930 NEW

Williams Guide Open Sight Curved Base Elevation Slide Base RADII Medium - NEW

Williams REAR SIGHT With SLIDE Flat Base (NOS)

Ithaca Model 49- .22- Single Shot-Rear Sight w/Elevator - Nice !