This is a .30-06 Springfield standard barrel from a 1953 Model 70 rifle.
Bluing - Reblued - This barrel appears to have been reblued and has no wear in the new bluing.
Metal - This barrel is in excellent condition, with no notable scratches, dings, or other damage.
Bore - 8/10 - This barrel has minor throat wear and scattered pitting. Borescope verified.
We use the NRA Modern Gun Condition Standards Grading System for grading part conditions. You can read about it HERE