This is a standard steel trigger guard from a Winchester Model 70 rifle.
Bluing - 90% - This piece has just a hint of edgewear and a few light freckles; otherwise it's a beautiful piece in excellent condition.
Metal - The metal is still in perfect condition with no notable scratches or blemishes.
We use the NRA Modern Gun Condition Standards Grading System for grading part conditions. You can read about it HERE