This is a 1954 Featherweight barrel for the pre 64 model 70 rifle, chambered in .308 Winchester.
Barrel grades in excellent condition
Bluing - Excellent, near perfect. 98% bluing. This barrel looks like it possibly could have been reblued, but is indistinguishable from factory bluing.
Metal - Excellent with no scratches, gouges, pits etc.
Bore - Perfect. Bright with strong rifling. Gauges +.0005 and grades 10/10