This is a .30-06 Springfield standard barrel from a 1956 Model 70 rifle.
Bluing - 90% - This barrel has just slight amount of finish wear at the muzzle, under the stock, and on 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 just a little throat wear and some patches of scattered freckling. Borescope verified.
We use the NRA Modern Gun Condition Standards Grading System for grading part conditions. You can read about it HERE