Sight, Front ORIGINAL Winchester 75D - At the Winchester factory this front sight was placed on Winchester model 74 rifles. This sight fits into the standard Winchester 0.375 (3/8 inch) female dovetail and has a post that is 0.33 inches tall and a base that is .50 inches wide. The sight has a round tin tip. Note model 54 had a gold bead (special order only) and model 70 rifles had a brass (gilt) bead and has a different sight number st202-c.