This is a standard steel trigger guard from a Winchester Model 70 rifle.
Bluing - 90% - The is a very nice part, with 1 small tool mark on the back of the bow. The remainder of the bluing is in very good condition with slight edge wear. Otherwise very attractive.
Metal - No metal defects on this piece.
We use the NRA Modern Gun Condition Standards Grading System for grading part conditions. You can read about it HERE