This is a .30-06 Springfield standard barrel from a 1953 Winchester Model 70 rifle.
Bluing - 95%. While the bluing is dark, and there are no worn spots, there are some blotches in the finish.
Metal - Overall, this metal is in excellent condition. There are no notable dings, scratches, freckling or pitting.
Bore - 7/10 - The bore shows very little wear, almost none, but has pitting throughout the length of the barrel. Borescope verified.
We use the NRA Modern Gun Condition Standards Grading System for grading part conditions. You can read about it HERE