This is a .257 Roberts standard barrel, manufactured in 1937.
Bluing - 98% - This barrel has been professionally restored with almost no detectable wear on the new finish.
Metal - This barrel is in excellent condition. There are no nicks, pits, or other forms of metal damage.
Bore - 8/10 - The bore shows minimal signs of wear. The rifling is bright and smooth throughout the length of the barrel, with no pits or erosion. Borescope verified.
We use the NRA Modern Gun Condition Standards Grading System for grading part conditions. You can read about it HERE