This is a Featherweight barrel for the pre 64 model 70 rifle, chambered in .243 Winchester. This rifle has the #6 sight ramp indicating production years 1955-1957.
This is an authentic Featherweight Super Grade barrel. Just under 1,000 Featherweight Super Grades were produced, 260 of which were chambered in .243 Winchester.
Barrel grades in excellent condition
Bluing - Excellent original bluing grading at 99%. There is just the slightest edge wear at the muzzle and a small (1/16" x 1/8") bluing rub at the stock line, opposite the barrel stamp.
Metal - Excellent with no scratches, gouges pits etc.
Bore - Perfect. Bright with strong rifling. Gauges +0.0001 and grades 10/10