Attachment 115295I recently picked up a Remington 03A3. The barrel looks like it may have been originally stamped 3 43 but then restamped with a 1 over/in the 3 and a 2 next to that. Making the new stamp 12 43. is this normal? Any reason they would do this? 12 43 is a perfect match for the serial number on the receiver. I am brand new here and I hope this question is ok.