This is a standard steel trigger guard from a Winchester Model 70 rifle.
Bluing - 98% - The bluing on this trigger guard shows almost no signs of wear.
Metal - Overall, this piece is in excellent condition. There are some minor scratches from normal rifle use and one small abrasion on the back of the piece, but no nicks or other metal damage.
We use the NRA Modern Gun Condition Standards Grading System for grading part conditions. You can read about it HERE