This is a standard steel trigger guard from a Winchester Model 70 rifle.
Bluing - 98% - The bluing on this piece shows almost no signs of wear.
Metal - The overall condition of this piece is excellent. There are some minor nicks and tooling marks near the rear screw hole and floor plate release button, but no scratches or other significant metal damage.
We use the NRA Modern Gun Condition Standards Grading System for grading part conditions. You can read about it HERE