This is a type-I bolt housing for a .22 Hornet rifle.
Handle bluing - 95% - This bolt appears to have been previously reblued with a soft matte finish. The new handle bluing on this bolt shows minimal signs of wear on the bolt knob and along the edges of the handle.
Metal - This bolt is in excellent overall condition. There are no significant marks or nicks on the bolt shaft or face.
We use the NRA Modern Gun Condition Standards Grading System for grading part conditions. You can read about it HERE
NOTE: While model 70 bolts may appear to be interchangeable, to safely replace the bolt in a rifle requires the action to be checked for proper headspacing and lug seating. This is a simple procedure which can be performed in a matter of minutes by a qualified gunsmith.