This is a standard steel floor plate from a Winchester Model 70 rifle.
Bluing - 100% - This part has been reblued. The bluing on this floor plate is smooth and even, showing no signs of wear.
Metal - The metal on this piece is in excellent condition. There are a few very minor spots of pitting, but no significant scratches, 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