The Benelli M4 in 20 gauge applies the ARGO gas-operated system to the lighter platform. Lower recoil and lighter weight than the 12-gauge M4 while maintaining the military-derived ARGO reliability. A rare tactical semi-automatic in 20 gauge from a premium manufacturer. Type: Shotgun Action: Semi-Automatic Caliber: 20 Gauge Capacity: 7 Year introduced: 2020, Italy Weight: 96 oz Overall length: 40" Status: Active Intended use: Law Enforcement, Home Defense, Tactical