2 WINCHESTER POST 64 MODEL 70 REAR SIGHT BASES.

WINCHESTER APEX .50 CAL MUZZLELOADING RIFLE REAR SIGHT WITH MOUNTING SCREW

#5792 Winchester Buckhorn rear rifle sight 1873

Williams Rear Rifle Sight Marked L Large Contour Winchester Model 70 Post 64

Williams #20 rear sight and front sight

Williams Gun Sight Company WGRS-54 Rear Peep Sight | 1481

Winchester Model 70 Williams Adjustable Rear Sight

Unknown- Adjustable Rear Sight- Round Barrel- Winchester?- Nice !!