Glock Trigger with Trigger Bar Gen 4 Grooved Trigger 4497

The GLO-4497 trigger with trigger bar is listed by Glock Inc as fitting the G38G39 45 GAP for GEN3 guns. For GEN4 guns it fits G192326273233. It features a serrated (grooved) trigger and is standard issue to these guns however it will also fit the G37 45GAP. Will not fit the G36.