Mainspring (hammer spring) Winchester 1873 Set Trigger NEW

Description

This is the mainspring also known as the hammer spring (mainspring) that is UNIQUE to the Winchester 1873 SET TRIGGER (straight grip). These were machined here in the US by a phenomenal machine shop!. These mainsprings are different than the 1892 and 1894 set trigger mainsprings. Use mainspring screw wp621A.