Vintage Lyman 57 RS Peep Receiver Sight Base Only

Vintage Lyman 57 SME Rear Receiver Sight Slide Only

Vintage Lyman 57 RS Peep Receiver Sight Base Only (#2)

Vintage Lyman 48 K Krag receiver sight base

Vintage Lyman 57WJS Micrometer Receiver Sight with Box & Instructions

Vintage Lyman 57 MS Peep Receiver Sight Base Only Modified (Milled)

Vintage Lyman 57 A Peep Receiver Sight Base Only Winchester 43

Vintage Lyman 57 SML Receiver Sight Base Only