This is a .300 H&H Magnum standard contour barrel from a 1950 Winchester model 70 rifle.
Metal and Finish - Generally dark and even with a few small worn spots - see pictures. There are no notable dings, dents, or scratches in the metal.
Bore - 9/10 - The bore has a very little amount of throat wear and some very light pitting near the muzzle. Borescope verified.