This is a Featherweight barrel for the pre 64 model 70 rifle, chambered in .243 Winchester. This barrel has the #6 sight ramp which indicates production years 1955-1957.
Barrel grades in excellent condition
Bluing - Excellent original bluing graded at 95%
Metal - Excellent with no scratches, gouges pits etc.
Bore - Very good. Bright with strong rifling. Very slight waviness in the first 2 inches after the chamber, but far from shot out. A lot of accurate life left in this barrel. Gauges +.0001 and grades 8/10