Benelli's flagship combat/tactical semi-automatic shotgun and the fourth model of the Super 90 line. It uses Benelli's proprietary Auto-Regulating Gas-Operated (ARGO) system with dual self-cleaning stainless-steel pistons and a rotating bolt, reliably cycling 2.75" and 3" loads without adjustment. Adopted by the U.S. military as the M1014 Joint Service Combat Shotgun. Built for tactical response and personal defense.