Vintage Pacific? Unknown Receiver Sight w/Peep Disc

Vintage Lyman 48 WJS Rear Micrometer Receiver Peep Sight Base Only (#3)

Vintage Peep Sight - Used

Early Lyman Model 57 Peep Sight. Missing Clip On Index Plate.

NICE Vintage Lyman 66 RH Receiver Peep Sight With Box

Original Steel Lyman FN Peep Sight With Aperture For FN Mauser Rifle

Rare Lyman 55 S Vintage Peep Sight, blued, oiled Savage Stevens Springfield

Vintage Lyman Peep Sight Apertures