This is a standard steel floor plate from a Winchester Model 70 rifle.
Bluing - 90% - The bluing on this floor plate shows minimal signs of wear, mostly around the edges. There is light freckling at the latch end.
Metal - The metal on this piece is in very good condition with no pits, gouges or other forms of metal damage.
We use the NRA Modern Gun Condition Standards Grading System for grading part conditions. You can read about it HERE