Williams 3/8 sight slot filler blank for Marlin or Winchester rifles

Marbles 3/8 sight slot filler blank for Marlin or Winchester rifles

Marbles 3/8 Stainless sight slot filler blank for Marlin or Winchester rifles

Marble Arms Marbles #001187 Dovetail Slot Blank 3/8" Blued Steel Part

Vintage Merit Adjustable Aperture Rear Sight Disc w/Rubber Cup

Mossberg S122 Front Dovetail Sight Part for 44 Series 22LR Rifles

Marbles 3/8" sight slot blank

Shanghai/Industry Diopter Rear Sight