This is a .30-06 Springfield standard barrel from a 1940 Model 70 rifle.
Bluing and Metal - Reblued - This barrel was recently reblued, but installed on a rifle and sustained some wear and scratching. There is minor muzzle wear and scratches on the shank from the rear sight.
Bore - 9/10 - With almost no throat wear and a very few shallow pits, the bore rates a 9 out of 10 under borescope examination.
We use the NRA Modern Gun Condition Standards Grading System for grading part conditions. You can read about it HERE