This is a .220 Swift standard barrel, manufactured in 1948. The barrel is made of stainless steel.
Finish - 95% - The finish on this barrel shows some spots of normal wear.
Metal - Overall, this barrel is in excellent condition. There are no major scratches, nicks, or other marks of metal damage.
Bore - 8/10 - The bore shows some signs of light wear. Borescope verified.
We use the NRA Modern Gun Condition Standards Grading System for grading part conditions. You can read about it HERE