This is a custom barrel from an unknown maker. The barrel is made of stainless steel and chambered in the .300 Remington Ultra Magnum caliber. #4 contour, 6 flute, 10 twist. The barrel is 26" long from base to brake, and 28" overall.
This barrel is not blued or finished.
Metal - Overall, this barrel is in excellent condition. There are no notable marks of metal damage.
Bore - 8/10 - The bore shows some very light signs of regular wear. Borescope verified.
We use the NRA Modern Gun Condition Standards Grading System for grading part conditions. You can read about it HERE