Mark, I am running into some interesting problems, First I talked to Austin about springs in guns with solid head plungers, seems my guns below 50,000 ser# have no springs,above 50000 they do. Austins guns seem to be the same. Now that said I tried to put a spring in a 36000 # gun and even cutting down to one coil, I did not have enough travel in the firing pin to engage the primer in the shell, Could it be that some of the later solid head plungers were longer than the early ones? I also checked both firing pins Identical lenght, so I ruled out broken or chipped pin. Maybe some of the hammer guys can measure the pins in said ser# range. I will ckeck also.
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