This is a standard steel floor plate from a Winchester Model 70 rifle.
Bluing - Re-blued - The bluing shows no wear and is dark and even. The metal prep was not expertly done prior to bluing, resulting in some unevenness in the blued finish.
Metal - The metal on this piece is in good condition with no gouges or pitting.
We use the NRA Modern Gun Condition Standards Grading System for grading part conditions. You can read about it HERE