Pabuckslyer,
It is a quite possibly a 2 1/2" chamber but definitely is not a 3" or more. I cannot get a real good measurement on mine as I don't hve the eqipment, but it the end of the chamber, if I am looking at it correctly, is no more than 2 3/4" from the breech. As I can't get a good straigt measurement, it may only be 2/12.
Besides the size of the shell, don't we also have to consider the pressure generated by modern "magnum" loads versus what the breech and barrel were desighed for?
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