This is a Featherweight barrel for a pre 64 Winchester model 70 rifle, chambered in .308 Winchester. This barrel was manufactured in 1952.
Bluing and Metal - The barrel was probably reblued, but has a few small dings and very light freckling showing through the finish.
Bore - 8/10 - The bore has some light throat wear and a few shallow pits. Borescope verified.