Vintage Williams Rear Receiver Peep Sight Unknown Base Only No Screws (#4)

Vintage Williams Rear Receiver Peep Sight Base Only No Screws (#5)

Williams Sight

Williams No. 70 Receiver Peep Sight Parts - Winchester Model 70 & 54

Vintage Williams Rear Receiver Peep Sight Unknown Base Only "L"

Vintage Williams Rear Receiver Peep Sight LE w/Disc

Vintage Williams Rear Receiver Peep Sight JEMS Base Only

Williams foolproof FP model T/C receiver sight