This is a standard steel floor plate from a Winchester Model 70 rifle.
Bluing - 100% - Overall, this bluing is in near perfect condition. There is no significant bluing loss.
Metal - Overall, this piece is in near flawless condition. There are no significant marks, scratches, or metal damage of any kind. As a whole, this floor plate is one of the finest in our inventory.
We use the NRA Modern Gun Condition Standards Grading System for grading part conditions. You can read about it HERE