This is a .270 Win. Featherweight barrel from a 1955 Model 70 rifle.
Bluing and Metal - The bluing on this barrel is generally dark and even with just a few light scratches. There are no deep dings or gouges.
Bore - 8/10 - The bore shows light wear in the throat but no pitting. Borescope verified.
We use the NRA Modern Gun Condition Standards Grading System for grading part conditions. You can read about it HERE