WILLIAMS FP-94/36 Receiver Peep Sight for Winchester/Marlin (1274)

Williams Full Proof Receiver Sight FP-94-36 With Target Knobs 1276

Williams 1276 FP 94 36 TK Peep Sight Win 94 Top Eject Marlin 336 1894 1895

Williams 5D Series 94/36 Receiver Peep Sight - 1398, Black

Williams Gun Sight 5D Series Winchester 94/36 Receiver 1398

Vintage Williams Rear Receiver Peep Sight Foolproof FP-FN w/Box & Screws

Williams Gun Sight Full Proof Receiver FP-94-36TK with Target Black

Williams Full Proof Peep Sight FP-AG/TK for Airguns/22's with Dovetail receivers