This is a .30-06 standard barrel from a 1948 Model 70 rifle.
Bluing - 95% - This barrel shows almost no sign of bluing loss.
Metal - Overall, this barrel is in excellent condition. There are a few minor scratches but no forms of significant metal damage.
Bore - 7/10 - The bore shows some very minor signs of wear, with only the start of some very minor pitting. The rifling is bright and smooth throughout the length of the barrel, showing minimal signs of use. Borescope verified.
We use the NRA Modern Gun Condition Standards Grading System for grading part conditions. You can read about it HERE