This is a .30-06 Springfield sporter barrel from a standard 1952 Model 70 rifle.
Bluing - 95% - The bluing on this barrel shows minimal signs of wear.
Metal - Overall, this barrel is in excellent condition. There are no significant scratches, nicks, or other forms of metal damage.
Bore - 6/10 - The bore shows notable signs of wear. The rifling is bright and smooth, but there is a consistent layer of light pitting that runs the length of the bore. Borescope verified.
We use the NRA Modern Gun Condition Standards Grading System for grading part conditions. You can read about it HERE