Hammer Winchester model 62A and Rossi model 62SA, 62SAC and model 59

This is the hammer Winchester model 62/62A. This is the unique hammer that fits the models with the COIL style hammer spring (mainspring) also called mainspring (part number wp13s). If your rifle uses the flat mainspring (part number 731) then you need the hammer part number wp20A)I have also been told by customers that this hammer will fit the Rossi 62. Customer comment: Thank you hammer and spring, I dropped it in my Rossi with no modelification necessary!