This is a standard steel floor plate from a Winchester Model 70 rifle.
Bluing - 85% - The bluing on this floor plate shows notable signs of wear, particularly along the edges of the piece
Metal - The metal on this piece is in excellent condition. There are some light surface scratches across the piece but no major nicks or other marks of metal damage.
We use the NRA Modern Gun Condition Standards Grading System for grading part conditions. You can read about it HERE