This is a .30-06 Springfield standard barrel from a 1956 Model 70 rifle. The barrel has been previously polished and reblued.
Bluing - This barrel has just slight amount of finish wear at the muzzle and there is a small rub/scratch on the bottom of the barrel under the front sight ramp.
Metal - This barrel is in excellent condition, with no notable scratches, dings, or other damage.
Bore - 9/10 - This barrel has no visible throat wear and just a few scattered pits. Borescope verified.
We use the NRA Modern Gun Condition Standards Grading System for grading part conditions. You can read about it HERE