Quote:
Originally Posted by OldLefty
Cleaned the new barrel after my trip to the range and noticed two things:
Original 4.0" barrel has concentric circles on the crown vs a flat face on the 4.2"
The number 29 or 62 is stamped on the 4.2". I assume it means nothing.
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Those concentric circles on the muzzle are just where the lathe tool was starting to dull (probably a very small chip in the tool) when the barrel was faced to length.