This is a .270 Winchester standard barrel from a 1937 Model 70 rifle.
Bluing - 85% - The bluing on this barrel has some wear and thinning.
Metal - Overall, this barrel is in very good condition. There are numerous minor scratches and nicks, no deep gouges.
Bore - 7/10 - The bore has some throat wear, along with shallow pitting/freckling, but no deep pits. Borescope verified.
We use the NRA Modern Gun Condition Standards Grading System for grading part conditions. You can read about it HERE