This is a .30-06 Springfield sporter barrel from a standard 1951 Model 70 rifle.
Bluing - 95% - The bluing on this barrel shows minimal signs of wear. There is some light wear on the barrel crown and a few small spots of wear throughout the length of the barrel.
Metal - Overall, this barrel is in excellent condition. There are some very light nicks and scratches in different spots along the barrel, but no significant 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