M1014 Benneli HP 3D model

The Benelli M4 is a semi-automatic shotgun produced by Italian firearm manufacturer Benelli Armi SpA, and the last of the Benelli Super 90 series of semi-automatic shotguns. The M4 uses a proprietary action design called the auto-regulating gas-operated (ARGO) system, which was created specifically for the weapon. The weapon was designed in 1998, and was adopted by the armed forces of Italy, the United States, United Kingdom, among others, and has been used in a variety of conflicts, leading up to the present day.