This is a standard steel floor plate from a Winchester Model 70 rifle.
Bluing - 90% - The bluing on this floor plate shows some minor wear along the edges of the piece.
Metal - The metal on this piece is in very good condition. There are a few minor scratches and nicks across the face of the floor plate, but there are no other significant marks of metal damage.
We use the NRA Modern Gun Condition Standards Grading System for grading part conditions. You can read about it HERE