This is a .300 H&H Magnum standard contour barrel from a Winchester model 70 rifle. It has the #7 front ramp, which was used from 1958-1963. The barrel has been reblued in the Pre64 shop.
Metal and Finish - Excellent (reblued) condition with no notable wear, scratches, dings, or other damage.
Bore - 8/10 - The bore has a little throat wear and some scattered light pitting. Borescope verified.