This is a standard steel trigger guard from a Winchester Model 70 rifle.
Bluing - 85% - The bluing on this trigger guard shows some signs of wear along the edges of the piece.
Metal - Overall, this piece is in very good condition. There are numerous minor nicks and scratches in the metal, but no significant metal damage.
We use the NRA Modern Gun Condition Standards Grading System for grading part conditions. You can read about it HERE