This is a featherweight aluminum trigger guard from a Winchester Model 70 rifle.
Bluing - 50% - The original bluing on this trigger guard is largely worn off from the top of the bow. The bluing remains on the edges, bottom, and inside the bow. There is a spot on the bottom of the trigger guard where the bluing appears damaged.
Metal - The metal remains in good condition, with no deep scratches. There are a few areas of metal damage to the bottom of the trigger guard, and the inside of the bow.
We use the NRA Modern Gun Condition Standards Grading System for grading part conditions. You can read about it HERE