This is a Winchester model 70 standard barrel that has been re-chambered from its original .300 H&H caliber to a .300 Weatherby magnum.
This is a special order barrel in stainless steel.
Bluing - 95% - The bluing on this barrel shows almost no wear.
Metal - Overall, this barrel is in very good condition. There are some minor scratches and nicks but no significant damage to the metal.
Bore - 8/10 - The bore shows some minor signs of wear. The rifling is bright and still clearly defined, but there is minor erosion in the throat of the barrel. Borescope verified.
We use the NRA Modern Gun Condition Standards Grading System for grading part conditions. You can read about it HERE