Shtle III* History

[browningautorifle]

hitting with a hammer to improve metal surface,

Exactly what I was saying. The back end of the firing pin or striker, is the circle you see above the screw in the back of the cocking piece in picture one. I suspect the striker was a bit loose or was replaced and someone thought more was needed. It's the little marks that are present. It doesn't matter that it was done...