This is a standard steel trigger guard from a Winchester Model 70 rifle.
Bluing - 85% - The bluing on this trigger guard shows edge and spot wear throughout the piece.
Metal - Overall, this piece is in very good condition. There is some minor freckling in the metal and several nicks, but not other significant metal damage.
We use the NRA Modern Gun Condition Standards Grading System for grading part conditions. You can read about it HERE