Vintage Air Rifle? Pellet? Rear Peep Sight Adjustable Windage Unknown Model (#3)

Vintage Merit Adjustable Aperture Rear Sight Disc used

Vintage mystery Rear adjustable peep Aperture flip back rifle sight OLD custom?

Vintage Merit Adjustable Aperture Rear Sight Disc w/Rubber Cup

Vintage Mossberg 2A Rear Sight Leaf w/Adjustable Windage (Needs Parts)

WINCHESTER Front Sight Ramp No. 3068C - Models 68, 69, 69A & 72

Winchester Model 47 67 68 72 74 77 69 69A 75 61 62 06 Rear Sight & Elevator-Q165

Williams Peepsight Aperture Target FP Series - High Profile