This is a .338 Winchester Magnum barrel from a Model 70 rifle, produced between 1959 and 1963.
Bluing - 95% - This barrel has a beautiful, deep finish, with the only notable wear being at the muzzle.
Metal - Overall, this barrel is in very good condition with a few light scratches. There are no significant marks of metal damage.
Bore - 8/10 - The bore has light wear in the throat and a little discoloration/freckling inside the muzzle. Borescope verified.
We use the NRA Modern Gun Condition Standards Grading System for grading part conditions. You can read about it HERE