This is a type-III bolt housing for standard caliber rifles.
Handle bluing - 90% - The handle bluing on this bolt shows some signs of wear on the bolt knob, along with some spot wear.
Metal - This bolt is in excellent overall condition. There are no significant marks or nicks on the bolt shaft. There are several very minor nicks on the bolt face which can be seen in the listing photos.
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.