I am making a chart of serial numbers and U.S, inventory numbers trying to make heads or tails out of this Ross numbering business.
As I am beginning to understand, the three digit number is the serial no., followed by the year of manufacture, followed by the series in which it was made. The Canadians only used serials up to 999, and then started over with a different alphabet letter or letters to keep up with it. The number behind the trigger guard is the serial number of the U.S. Ordnance Department. So far, there seems to be no rhyme or reason to how the rifles were assembled for sale. All are Mark II's with the bulk being 2*, but I have seen 3*'s, one 4*, and two 5*'s in my search. That's all I know for now.
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