This is a .270 Winchester featherweight barrel. The manufactured date falls somewhere between 1957-1963, determined by the 18-line #7 sight ramp.
Bluing - 100% - This barrel has been reblued. The new bluing is in perfect condition with no signs of wear or fading.
Metal - This barrel is in excellent condition with no significant scratches, nicks, or metal damage.
Bore - 9/10 - The chamber on this barrel has had a repair job done. The bore is in near perfect condition, with minimal signs of wear and no pits or other metal damage.
We use the NRA Modern Gun Condition Standards Grading System for grading part conditions. You can read about it HERE