JA is for Johnson Automatic.
Replaced during arsenal refurb after WWII.
They’re generally regarded as good barrels and can be worth $150 alone.
Personally, I’d leave it. It’s a symbol of the history of that rifle. Trying to make all the parts match would ruin that history.Information
![]()
Warning: This is a relatively older thread
This discussion is older than 360 days. Some information contained in it may no longer be current.