This is a .243 Winchester featherweight barrel from a 1955 Model 70 rifle.
Bluing - 90% - This barrel shows some signs of light bluing wear, particularly towards the muzzle crown and along the underside of the barrel
Metal - Overall, this barrel is in excellent condition. There are a few very minor scratches and nicks in the barrel, but no other significant marks of metal damage.
Bore - 6/10 - The bore shows notable signs of wear. The rifling remains smooth and clearly defined throughout the length of the barrel, but there are some spots of light pitting throughout the front half of the bore. Borescope verified.
We use the NRA Modern Gun Condition Standards Grading System for grading part conditions. You can read about it HERE