This is a standard steel trigger guard from a Winchester Model 70 rifle.
Bluing - 90% - The bluing on this trigger guard has begun to fade, and shows some wear along the edges of the piece.
Metal - Overall, this piece is in excellent condition. There are some minor scratches, but no significant nicks or metal damage.
We use the NRA Modern Gun Condition Standards Grading System for grading part conditions. You can read about it HERE