This is a .270 Winchester sporter barrel manufactured in 1954.
Bluing - 95% - This barrel has been reblued. The current bluing is in excellent condition, but does show some freckling throughout the barrel.
Metal - This barrel is in excellent overall condition. There are some minor scratches and some pitting in spots on the barrel, but no significant nicks or other forms of metal damage.
Bore - 8/10 - The borescope check reveals some minor rifling wear, but no pitting or significant bore damage.
We use the NRA Modern Gun Condition Standards Grading System for grading part conditions. You can read about it HERE