This is a .243 Winchester Featherweight barrel manufactured in 1956.
Bluing - 85% - The bluing on this barrel is mostly dark, but it has several small worn spots.
Metal - Overall, this barrel is in very good condition. There are some minor scratches and light freckling, but no significant nicks or other forms of metal damage.
Bore - 9/10 - The bore has some throat wear but no substantial pits. Borescope verified.
We use the NRA Modern Gun Condition Standards Grading System for grading part conditions. You can read about it HERE