This is a standard steel trigger guard from a Winchester Model 70 rifle.
Bluing - 70% - The original bluing on this trigger guard shows slight edgewear and very little fading, but contains a flurry of significant scratches across the top of the bow.
Metal - The metal contains notable scratches, likely from wayward tools.
We use the NRA Modern Gun Condition Standards Grading System for grading part conditions. You can read about it HERE