This is a .338 Win Mag standard barrel, manufactured between 1958-1963. It is 25" in length.
Bluing - 100% - This barrel has been reblued with no wear on the new finish.
Metal - Overall, this barrel is in perfect condition. There are no signs of metal damage.
Bore - 8/10 - The bore shows no wear except for some light throat erosion. The rifling is still bright and smooth for the length of the barrel. Borescope verified.
We use the NRA Modern Gun Condition Standards Grading System for grading part conditions. You can read about it HERE