This is a Featherweight barrel for a pre 64 Winchester model 70 rifle, chambered in .243 Winchester, originally from a 1955 rifle.
Bluing - 95% - This bluing on this barrel is in very good to excellent condition; it's even and dark without significant wear or fading.
Metal - Very good condition, with some light scratches, but no gouges pits etc.
Bore - 9/10 - The bore is in excellent condition, with no discernable throat wear or significant pitting. Borescope verified.