Benelli M4 is a semi-automatic shotgun produced by Italian firearm manufacturer Benelli Armi SpA, and one of Benelli’s “Super 90” series of semi-auto 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.
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The Benelli M4 Tactical 5+1 capacity 18.5” barrel 12-gauge semi-automatic shotgun is an evolution of the M1, M2 and M3 line. Benelli currently offers the M4 Tactical in four models. All have the same 18.5” length barrel and share most overall dimensions. The differences? You can get the guns with either an Anodized Black receiver with a Phosphate barrel or with a Titanium Cerakote receiver and barrel. Regardless, other parts such as the forend and stock are matte black. Beyond color, you have your choice of pistol grip (standard stock) or standard grip (tactical stock).
Each M4 Tactical comes with one M choke tube. The chamber handles both 2 3/4″ and 3″ shells. The gun has a standard ghost ring sight, but it also has a medium-length Picatinny rail atop the receiver. Length of pull is 14 3/8”, drop at comb is 1 1/2″ while drop at heel is 2 1/4″. Overall length is 40” and weight is 7.8 pounds for all four models. The M4 was designed for the US Military and entered service circa 1999 as the M1014 Joint Service Shotgun. The gun’s wizardry derives from Benelli’s patented ARGO system. ARGO stands for Auto-Regulating Gas-Operated. This self-cleaning, piston-driven action has a simple short-stroke dual-piston design. ARGO eliminates the need for a more complicated mechanisms like heavy action bars and connecting linkages found on other similar shotguns.