This is a standard steel trigger guard from a Winchester Model 70 rifle.
Bluing - 95% - The bluing on this trigger guard shows no wear apart from some minor edge wear. The bluing is even and unworn across the piece.
Metal - The overall condition of this piece is very good. There are some notable nicks and spots of light pitting across the trigger guard, but no other significant marks of damage.
We use the NRA Modern Gun Condition Standards Grading System for grading part conditions. You can read about it HERE