This is a featherweight aluminum trigger guard from a Winchester Model 70 rifle.
Bluing - 80% - The original bluing on this trigger guard is in good condition throughout, except for a significant cluster of tool marks around the back screw hole.
Metal - The metal is in very good condition, with no deep scratches except for a few of the tool marks around the back screw hole.
We use the NRA Modern Gun Condition Standards Grading System for grading part conditions. You can read about it HERE