This is a Featherweight barrel for a pre 64 Winchester model 70 rifle, chambered for the .264 Winchester magnum cartridge.
Bluing and Metal - 95% - This bluing on this barrel is in very good condition, dark and even but with a small, rubbed spot above the chamber marking. There is a small ding in the muzzle, but no other notable scratches, dings, rust, freckling or other damage.
Bore - 8/10 - The bore has some light wear in the throat and a few small pits. Borescope verified.