Benelli M4 Super 90

Country: ItalyManufacturer: Benelli Armi

«M1014 / XM1014»
ShotgunItaly1998In service

Italian semi-automatic 12-gauge combat shotgun developed by Benelli for the U.S. Marines JSCS programme; the first semi-auto adopted as a standard squad weapon by the USMC, officially designated M1014.

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Shotgun
ID — BENELLI-M4
Designation

Benelli M4 Super 90

Benelli Armi
Caliber
12 gauge (12/70 e 12/76 Magnum)

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Data trust

Reliability
Unverified
Sources
Sources pending review
Sources and methodology

Identity

Designation
Benelli M4 Super 90
Alias
M1014 / XM1014
Manufacturer
Benelli Armi
Country
Italy
Year
1998
Category
Shotgun
Status
In service

Ballistics

Caliber
12 gauge (12/70 e 12/76 Magnum)
Muzzle velocity
410 m/s
Effective range
50 m
Maximum range
100 m

Dimensions

Barrel length
470 mm
Overall length
886 / 1010 mm
Empty weight
3.82 kg

Mechanics

Operating system
Sottrazione di gas ARGO a doppio pistone
Bolt / action
Gas-operated semi-auto

Feed

System
Serbatoio tubolare
Standard capacity
7 rounds

Fire modes

SafeSemi-auto

Historical profile

Genesis and Military Development

The development of the Benelli M4 began in late 1998 when the U.S. Army Armaments Research, Development and Engineering Center issued a solicitation for a new combat shotgun intended for all branches of the military. Benelli responded with an innovative design specifically engineered to meet the stringent standards of the Joint Service Combat Shotgun programme, which demanded a weapon capable of firing various ammunition types without manual adjustments.

Following a series of comparative tests at the Aberdeen Proving Ground, the prototype designated as XM1014 easily surpassed reliability requirements, firing over 25,000 rounds without major component failures. The initial contract was awarded to Benelli in 1999, marking a historic milestone for the Italian arms industry as it successfully entered the U.S. defense market with a cutting-edge semi-automatic platform.

Technical Innovation and ARGO Design

The true revolution of the M4 lies in the ARGO (Auto Regulating Gas Operated) system, a patented mechanism based on two short-stroke pistons located near the chamber. This configuration allows the weapon to harness hotter and cleaner gases, ensuring reliable cycling with both standard 70mm shells and powerful 76mm Magnum rounds while simultaneously reducing the need for frequent maintenance.

The weapon's architecture features a chrome-lined barrel and an anodized aircraft-grade aluminum alloy receiver, topped with an integrated Picatinny rail for optical sighting systems. The standard stock is a telescopic collapsible type, designed to reduce the overall length of the weapon by 20% without the use of tools, facilitating transport inside vehicles or during airborne operations.

Operational Service and Global Deployment

The M1014 officially entered service with the United States Marine Corps in 2000, being rapidly deployed to the conflicts in Iraq and Afghanistan as a primary weapon for close-quarters battle and room clearing. Its ability to provide a higher volume of fire compared to traditional pump-action shotguns made it indispensable for assault squads engaged in complex urban environments.

Beyond the Marines, the weapon was adopted by the British Army under the designation L128A1 and by Norwegian special forces, in addition to being actively used by Italian elite units such as the GIS and the Tuscania regiment. Its operational success is evidenced by its adoption in over 30 nations, where it is utilized not only for breaching but also as a defensive tool for VIP protection and high-risk convoys.

Legacy and Civilian Variants

The Benelli M4 has redefined reliability standards for tactical shotguns, profoundly influencing the development of modern semi-automatic combat platforms. Its reputation for indestructibility led to the creation of numerous civilian variants, including the M4 Tactical series, which retains the mechanical features of the original while complying with local magazine capacity regulations.

More than twenty years after its introduction, the M4 remains the industry benchmark, continuing to receive updates such as new Cerakote finishes and M-LOK interfaces for accessories. The weapon has solidified Benelli's position as a world leader in the defense sector, proving that a gas-operated system can be as reliable as classic inertial or pump-action systems even in the most extreme environmental conditions.

Variants

M4 Super 90 (civile)M1014 (USMC)M4 TacticalM4 H2O (inox marino)

Main users

United States (USMC, Army) · Italy (Carabinieri, GIS) · United Kingdom · Norway · France

Key components

  • ●Stock — Shoulder rest.
  • ●Receiver — Weapon body with internal mechanisms.
  • ●Grip — Primary grip.
  • ●Magazine — Cartridge feed.
  • ●Barrel — Guides the projectile.

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