Sig P320 Adjustable Straight Trigger by Grayguns Sig P320 Adjustable Straight Trigger by Grayguns Our P320 Adjustable Straight Trigger is designed for hard-duty use, with the toughness to outlast your pistol. Our P320 triggers are Grayguns Grade and guaranteed for life. P320 Trigger... MSRP: Was: Now: $94.00 Choose Options