This is a standard steel trigger guard from a Winchester Model 70 rifle.
Bluing - 90% - This is a really nice part, with some subtle edgewear, a few light scratches, and 1 small tool mark at the rear screw hole. Otherwise it's in very good condition.
Metal - There are no defects to the metal.
We use the NRA Modern Gun Condition Standards Grading System for grading part conditions. You can read about it HERE