Hammer Assembly Complete Winchester model 63 and 1903 ORIGINAL

A COMPLETE Hammer unit model 63 or model 1903 semiautomatic Winchester rifle. The hammer comes with Guide Rod, hammer spring (mainspring), abutment, and guide rod pin included. This fits the Winchester model 63 or the model 1903 semiautomatic rifle. The guide rod pin is staked so the rod does not fall out when the hammer rotates.