I'm sure this issue has been raised previously but as a relatively new Forum member I am unaware of meaning of an extraneous 4 digit number stamped on the right side of the barrel near the witness/inspector marks on my rifle. As can be seen, the font for this numbers differ from the serial no. so expect that the 4 digit number was added sometime after issue. Any insight most gratefully appreciated! Pictures attached:
Serial Number.jpgRight Side Barrel No..jpg
Serial Number.jpgRight Side Barrel No..jpg

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