This is a .30-06 Springfield standard barrel from a 1952 Model 70 rifle.
Bluing - 90% - This barrel has very little finish wear, just a little from the rear sight and around the muzzle.
Metal - Overall, the metal is in excellent condition. There are no notable pits, gouges, or scratches.
Bore - 8/10 - The bore has almost no throat wear and just a few shallow pits resulting in a rating of 8 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