This is a .264 Win Mag standard barrel from a Winchester Model 70 rifle. There is no date marking, later barrels were not date-stamped.
Bluing and Metal - 90% - The bluing is generally in excellent condition, but there are two worn spots. Both are about 1/4" in diameter; one is at the muzzle; one is about midway along the barrel. There are no dings or other damage.
Bore - 8/10 - The bore has a little throat wear and there is some heat cracking. Borescope verified.
We use the NRA Modern Gun Condition Standards Grading System for grading part conditions. You can read about it HERE
