This is a standard steel trigger guard from a Winchester Model 70 rifle.
Bluing - 80% The bluing on this trigger guard shows minor bluing loss with only defects due to pitting in the metal.
Metal - The overall condition of this piece is good. There are a few very minor nicks throughout the piece, but no notable scratches. There is some pitting as seen in the listing photos
We use the NRA Modern Gun Condition Standards Grading System for grading part conditions. You can read about it HERE