This is a standard steel trigger guard from a Winchester Model 70 rifle.
Bluing - 90% - The original bluing shows almost no edgewear. There are a few subtle rubs or spots of thinning near the top of the bow, but no notable scratches. There is one tiny ding near a screw hole.
Metal - The metal is in excellent condition with no scratches, dents, pitting, or other damage.
We use the NRA Modern Gun Condition Standards Grading System for grading part conditions. You can read about it HERE