This is a standard steel floor plate from a Winchester Model 70 rifle.
Bluing - 75% - This floor plate has factory bluing. The finish on this piece is heavily scratched, scuffed, and freckled. However, it doesn't have much edgewear or fading.
Metal - The metal is in very good condition with scratches and freckling that reach through the finish to the metal.
We use the NRA Modern Gun Condition Standards Grading System for grading part conditions. You can read about it HERE