This is a .300 H&H magnum barrel from a 1957-1963 Model 70 rifle. The front sight was removed and the muzzle was threaded with 1/2" - 28 threads for a muzzle brake.
Bluing - 90% - This barrel has a beautiful, deep, original finish.
Metal - Overall, this barrel is in excellent condition. There are no significant marks of metal damage; only a few small marks.
Bore - 8/10 - Very good condition. The bore shows minor signs of wear but no significant pitting. The rifling is bright and smooth. Borescope verified.
We use the NRA Modern Gun Condition Standards Grading System for grading part conditions. You can read about it HERE