This is a .243 Winchester featherweight barrel manufactured between 1955 and 1957.
Bluing - 90% - The bluing on this barrel is a nice dark color but is slightly faded in some areas.
Metal - Overall, this barrel is in very good condition. There are some scratches on the bottom of the barrel, but no significant nicks or other forms of metal damage.
Bore - 6/10 - The bore shows some little wear and heat cracking in the throat area, but almost no pitting. Borescope verified.
We use the NRA Modern Gun Condition Standards Grading System for grading part conditions. You can read about it HERE