This is a standard steel trigger guard from a Winchester Model 70 rifle.
Bluing - 85% - The original bluing on this trigger guard shows very little edgewear or fading, but contains a few small rubs where the bluing has thinned. There are tiny toolmarks but no deep scratches, gouges, or notable damage.
Metal - The metal is excellent condition with no deep scratches, rust, pits, or other damage.
We use the NRA Modern Gun Condition Standards Grading System for grading part conditions. You can read about it HERE