Thx, Dean. I never made the connection with the number over the D. Interestingly, only one of my guns has such a number. I wonder why they were not always so marked?
Do you know the relationship between the number of leaves used to make the pile vs the number of rods in the ribbon? It doesn't appear to me that there is a direct relationship. I just looked at a 4 blade barrel that appears to have six leaves in the pile.
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