This is a .270 W.C.F standard barrel from a standard 1950 Model 70 rifle.
Bluing - 90% - The bluing on this barrel shows some wear, including from contact with the stock, wear at the muzzle, wear on the shank from the rear sight, and a couple of rubbed spots along the barrel.
Metal - Overall, this barrel is in very good condition. There are a few minor scratches and very light freckling, but no significant metal damage.
Bore - 9/10 - There is almost no throat wear and just a few pits. Borescope verified.
We use the NRA Modern Gun Condition Standards Grading System for grading part conditions. You can read about it HERE