This is a .308 Winchester Featherweight barrel, manufactured in 1952.
Bluing - 80% - The bluing on this barrel shows notable finish wear.
Metal - Overall, this barrel is in good condition; there are some minor scratches across the barrel.
Bore - 8/10 - There is some light wear in the throat and minor pitting in the bore. There are no signs of other metal damage. Borescope verified.
We use the NRA Modern Gun Condition Standards Grading System for grading part conditions. You can read about it HERE