This is a .243 Winchester Featherweight barrel manufactured in 1955.
Bluing - 90% - The bluing on this barrel is mostly dark and even with some wear at the muzzle and from contact with the tip of the stock.
Metal - Overall, this barrel is in excellent condition with no significant nicks or other forms of metal damage.
Bore - The bore has no throat wear but some light pitting resulting in a rating of 9 out of 10. Borescope verified.
We use the NRA Modern Gun Condition Standards Grading System for grading part conditions. You can read about it HERE