This is a .270 Winchester standard barrel from a 1952 Model 70 rifle.
Bluing - 90% - This barrel has minor finish wear at the muzzle and some wear at and under the stock line. The bluing is generally dark and even.
Metal - There are just a few small, shallow scratches, but no notable dings, gouges, or other metal damage.
Bore - With no pits, but some wear and bit of heat cracking in the throat, we rate this bore as an 7 out of 10. Borescope verified.
We use the NRA Modern Gun Condition Standards Grading System for grading part conditions. You can read about it HERE