This is a type-II bolt housing for magnum caliber rifles.
Handle bluing - 80% - The handle bluing on this bolt shows some fading and wear throughout the piece.
Metal - This bolt is in excellent overall condition. There are no significant marks or nicks on the bolt shaft. There are some 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.