This is a Winchester pre 64 model 70 Sporter barrel manufactured between 1957 and 1963, based on the #7 style sight ramp with 18 lines.
Bluing - 95% - Excellent condition, with a few small blemishes.
Metal - Overall, this barrel is in excellent condition. There is one noteworthy scrape on the left side of the barrel near the sight ramp, but no other scratches or significant marks of metal damage.
Bore - 9/10 - The bore is excellent. It is bright with strong rifling and no evidence of fouling, abnormal wear or other problems. Borescope verified.