Thanks, that kinda of what I have found but in some of the on-line charts, it says that production in those last few years were made only with left over parts in inventory and not really a production item. One site I saw listed the production in those last few years, 1941 to ? having a total of 27 guns made. 3 in 1941 and the other 24 didn't have a date.
So I was trying to find out how close to being the last one made it was.
Thanks,