This is a standard steel trigger guard from a Winchester Model 70 rifle.
Bluing - 95% - The bluing on this trigger guard shows minimal signs of wear, mostly due to tooling marks on the piece.
Metal - The overall condition of this piece is very good. There notable tooling marks around the rear screw hole and floor plate release button, as well as some minor nicks on the guard.
We use the NRA Modern Gun Condition Standards Grading System for grading part conditions. You can read about it HERE