Wilson Combat Trigger Return Spring Chrome Silicon Beretta 90 Series Black. ; This newly designed trigger return spring of enhanced chrome silicon steel is guaranteed against breakage and will not fail in hard use like conventional factory music wire springs.; The traditionally wound spring will not change the smoothness or feel of your trigger like other alternative return springs and will work with all known Beretta 90 series triggers.; Specifications for Wilson Combat Trigger Return Spring Chrome Silicon Beretta 90 Series: Manufacturer: Wilson Combat Color: Black Finish: Chrome Gun Model: Beretta 90 Package Contents: Wilson Combat Trigger Return Spring Chrome Silicon Beretta 90 Series What firearm models does the manufacturer say Wilson Combat Trigger Return Spring Chrome Silicon Beretta 90 Series is compatible with? The manufacturer suggests that Wilson Combat Trigger Return Spring Chrome Silicon Beretta 90 Series is compatible with Beretta 90Wilson Combat 750: Trigger Return Spring Chrome Silicon Beretta 90 Series Black