This is a .264 Winchester Magnum featherweight barrel from a 1956 Model 70 rifle.
Bluing - 98% - This barrel shows minimal bluing loss, with no significant fading or wear of the bluing.
Metal - Overall, this barrel is in excellent condition.
Bore - 8/10 - The bore shows some minor signs of wear. Borescope verified.
We use the NRA Modern Gun Condition Standards Grading System for grading part conditions. You can read about it HERE