This is a standard steel trigger guard from a Winchester Model 70 rifle.
Bluing - 80%- The original bluing on this trigger guard shows slight edgewear, and there are minor scratches and scuffs throughout. There are a few tool marks around and near a screw hole, but otherwise the finish remains in good condition with no rust pitting.
Metal - The metal remains in very good condition with a few light scratches and the tool marks mentioned above.
We use the NRA Modern Gun Condition Standards Grading System for grading part conditions. You can read about it HERE