This is a .270 Win. standard barrel from a 1952 Model 70 rifle.
Bluing and Metal - The bluing on this barrel is generally dark and even but it has some light scratches and dings and some bluing wear. There are no deep dings or gouges.
Bore - 8/10 - The bore shows light wear in the throat and some light pitting. Borescope verified.
We use the NRA Modern Gun Condition Standards Grading System for grading part conditions. You can read about it HERE