Williams Aperture Twilight 3/8" Diameter with .093 Hole Steel Black

Williams Gun Sight Company Ghost Ring Firesight WGRS Shotgun Aperture | 31891

Williams Aperture Regular 3/8" Diameter with .050 Hole Steel Black

Williams 3/8" Dovetail 22 Rifle Rear Sight Adjustable

Williams WGRS Small

Williams WRGS Rear Sight - Ghost Ring Aperture - 0.210" ID - [PN: 31891]

Williams WGRS Rear Peep Sight

Williams WRGS Rear Sight - 7/32"- 40 Threaded Aperture - [PN: 31891T]