This is a standard steel floor plate from a Winchester Model 70 rifle.
Bluing - 90% - This floor plate has factory bluing. The bluing on this floor plate shows slight edge wear, few minor scratches and pinprick freckling.
Metal - No pitting, major scratches or other defects in the metal.
We use the NRA Modern Gun Condition Standards Grading System for grading part conditions. You can read about it HERE