Benelli M4
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The Benelli M4 is a
semi-automatic shotgun A semi-automatic shotgun is a repeating shotgun with a semi-automatic action, i.e. capable of automatically chambering a new shell after each firing, but requires individual trigger-pull to manually actuate each shot. Semi-automatic shotguns ...
produced by
Italian Italian(s) may refer to: * Anything of, from, or related to the people of Italy over the centuries ** Italians, an ethnic group or simply a citizen of the Italian Republic or Italian Kingdom ** Italian language, a Romance language *** Regional Ita ...
firearm manufacturer
Benelli Armi SpA Benelli Armi SpA is an Italian firearm manufacturer best known for shotguns used by military, law enforcement and civilians, located in Urbino, Marche. Founded in 1967 as an offshoot of the Benelli motorcycle factory that sold motorcycles throu ...
, and the last of the "Benelli Super 90" series of semi-automatic shotguns. The M4 uses a proprietary
action Action may refer to: * Action (narrative), a literary mode * Action fiction, a type of genre fiction * Action game, a genre of video game Film * Action film, a genre of film * ''Action'' (1921 film), a film by John Ford * ''Action'' (1980 fil ...
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.


History

On May 4, 1998, the
United States Army The United States Army (USA) is the land service branch of the United States Armed Forces. It is one of the eight U.S. uniformed services, and is designated as the Army of the United States in the U.S. Constitution.Article II, section 2, cla ...
's Armaments Research, Development and Engineering Center (ARDEC) at
Picatinny Arsenal The Picatinny Arsenal ( or ) is an American military research and manufacturing facility located on of land in Jefferson and Rockaway Township in Morris County, New Jersey, United States, encompassing Picatinny Lake and Lake Denmark. The Ar ...
,
New Jersey New Jersey is a state in the Mid-Atlantic and Northeastern regions of the United States. It is bordered on the north and east by the state of New York; on the east, southeast, and south by the Atlantic Ocean; on the west by the Delaware ...
issued Solicitation #DAAE30-98-R-0401, requesting submissions for a new 12 gauge semi-automatic
combat shotgun A combat shotgun is a shotgun issued by militaries for warfare. The earliest shotguns specifically designed for combat were the trench guns or trench shotguns issued in World War I. While limited in range, the multiple projectiles typically us ...
for the
U.S. military The United States Armed Forces are the military forces of the United States. The armed forces consists of six service branches: the Army, Marine Corps, Navy, Air Force, Space Force, and Coast Guard. The president of the United States is the ...
. In response to the request,
Benelli Armi SpA Benelli Armi SpA is an Italian firearm manufacturer best known for shotguns used by military, law enforcement and civilians, located in Urbino, Marche. Founded in 1967 as an offshoot of the Benelli motorcycle factory that sold motorcycles throu ...
of
Urbino Urbino ( ; ; Romagnol: ''Urbìn'') is a walled city in the Marche region of Italy, south-west of Pesaro, a World Heritage Site notable for a remarkable historical legacy of independent Renaissance culture, especially under the patronage of ...
, Italy designed and built the Benelli M4 Super 90 Combat Shotgun. On August 4, 1998, five samples of the M4 were delivered to
Aberdeen Proving Ground Aberdeen Proving Ground (APG) (sometimes erroneously called Aberdeen Proving ''Grounds'') is a U.S. Army facility located adjacent to Aberdeen, Harford County, Maryland, United States. More than 7,500 civilians and 5,000 military personnel work at ...
,
Maryland Maryland ( ) is a state in the Mid-Atlantic region of the United States. It shares borders with Virginia, West Virginia, and the District of Columbia to its south and west; Pennsylvania to its north; and Delaware and the Atlantic Ocean to ...
, and after intense testing, the M4 won the competition. In early 1999, ARDEC awarded the M1014 Joint Service Combat Shotgun contract to
Heckler & Koch Heckler & Koch GmbH (HK; ) is a German defense manufacturing company that manufactures handguns, rifles, submachine guns, and grenade launchers. The company is located in Oberndorf am Neckar in the German state of Baden-Württemberg, and also ...
, U.S. subsidiary for importation of the Benelli M4 Combat Shotgun. The first units (count of 20,000) were delivered to the
United States Marine Corps The United States Marine Corps (USMC), also referred to as the United States Marines, is the maritime land force service branch of the United States Armed Forces responsible for conducting expeditionary and amphibious operations through combi ...
in 1999. During testing, the prototype was named ''XM1014'', but after adoption, the "X" was dropped, and the weapon was officially designated the ''M1014''.


Design

The M4 was the first
gas-operated Gas-operation is a system of operation used to provide energy to operate locked breech, autoloading firearms. In gas-operation, a portion of high-pressure gas from the cartridge being fired is used to power a mechanism to dispose of the spent ...
shotgun produced by Benelli. Its function is designed around an entirely new design called the "auto-regulating gas-operated" (ARGO) system. The short-stroke design uses two
self-cleaning Government procurement or public procurement is undertaken by the public authorities of the European Union (EU) and its member states in order to award contracts for public works and for the purchase of goods and services in accordance with prin ...
stainless steel Stainless steel is an alloy of iron that is resistant to rusting and corrosion. It contains at least 11% chromium and may contain elements such as carbon, other nonmetals and metals to obtain other desired properties. Stainless steel's corros ...
piston A piston is a component of reciprocating engines, reciprocating pumps, gas compressors, hydraulic cylinders and pneumatic cylinders, among other similar mechanisms. It is the moving component that is contained by a cylinder and is made gas-tig ...
s located just ahead of the
chamber Chamber or the chamber may refer to: In government and organizations * Chamber of commerce, an organization of business owners to promote commercial interests *Legislative chamber, in politics * Debate chamber, the space or room that houses delib ...
to function opposite a
rotating bolt Rotating bolt is a method of locking the breech (or rear barrel) of a firearm closed for firing. Johann Nicolaus von Dreyse developed the first rotating bolt firearm, the "Dreyse needle gun", in 1836. The Dreyse locked using the bolt handle r ...
, thereby eliminating the need for the complex mechanisms found on other
gas-actuated Gas-operation is a system of operation used to provide energy to operate locked breech, autoloading firearms. In gas-operation, a portion of high-pressure gas from the cartridge being fired is used to power a mechanism to dispose of the spent ...
automatics. The ARGO incorporates only four parts: two symmetrical fore-end
shroud Shroud usually refers to an item, such as a cloth, that covers or protects some other object. The term is most often used in reference to ''burial sheets'', mound shroud, grave clothes, winding-cloths or winding-sheets, such as the famous Shr ...
s containing two small steel pistons that push directly against the bolt. Additionally, the weapon is self-regulating for use with
shotshell A shotgun shell, shotshell or simply shell is a type of rimmed, cylindrical (straight-walled) cartridges used specifically in shotguns, and is typically loaded with numerous small, pellet-like spherical sub-projectiles called shot, fired throu ...
s of varying lengths and power levels. It can fire and shells of differing
propellant A propellant (or propellent) is a mass that is expelled or expanded in such a way as to create a thrust or other motive force in accordance with Newton's third law of motion, and "propel" a vehicle, projectile, or fluid payload. In vehicles, the e ...
loads without any operator adjustments and in any combination. Low-power rounds, such as less-lethal
baton round Baton rounds, also known as kinetic impact projectiles (KIPs), are a less lethal alternative to traditional bullets. Baton rounds are designed to impact rather than to penetrate and are typically used for riot control. Common types of baton round ...
s, must be cycled manually. The sights are military-style
ghost ring Iron sights are a system of physical alignment markers (usually made of metallic material) used as a sight (device), sighting device to assist the accurate aiming of ranged weapons (such as a firearm, airgun, crossbow or even compound bow), or l ...
and are adjustable in the field using only the rim of a shell. The MIL-STD-1913
Picatinny rail The Picatinny rail ( or ), or Pic rail for short, also known as a MIL-STD-1913 rail, 1913 rail or STANAG 2324 rail (cancelled), is a military standard rail interface system that provides a mounting platform for firearm accessories. It was o ...
on top of the receiver allows use of both conventional
optical sight A sight is an aiming device used to assist in visually aligning ranged weapons, surveying instruments or optical illumination equipments with the intended target. Sights can be a simple set or system of physical markers that have to be aligne ...
s and
night-vision device A night-vision device (NVD), also known as a night optical/observation device (NOD), night-vision goggle (NVG), is an optoelectronic device that allows visualization of images in low levels of light, improving the user's night vision. The devi ...
s, while retaining use of the original iron sights. The
modular Broadly speaking, modularity is the degree to which a system's components may be separated and recombined, often with the benefit of flexibility and variety in use. The concept of modularity is used primarily to reduce complexity by breaking a sy ...
basis of the shotgun means many of its features can be reconfigured as needed. It allows a user to quickly exchange the various assembly groups (
barrel A barrel or cask is a hollow cylindrical container with a bulging center, longer than it is wide. They are traditionally made of wooden staves and bound by wooden or metal hoops. The word vat is often used for large containers for liquids, ...
,
buttstock A gunstock or often simply stock, the back portion of which is also known as a shoulder stock, a buttstock or simply a butt, is a part of a long gun that provides structural support, to which the barrel, action, and firing mechanism are attached ...
, forend, etc.) without the use of additional tools.


Durability

Preliminary testing of the M4 suggests a high level of reliability. It can reliably function for at least 25,000 rounds without replacement of any major parts. The steel components of the weapon feature a matte black phosphated corrosion resistant finish while the
aluminium Aluminium (aluminum in American and Canadian English) is a chemical element with the symbol Al and atomic number 13. Aluminium has a density lower than those of other common metals, at approximately one third that of steel. I ...
parts are matte hard-
anodize Anodizing is an electrolytic passivation process used to increase the thickness of the natural oxide layer on the surface of metal parts. The process is called ''anodizing'' because the part to be treated forms the anode electrode of an elect ...
d. These finishes reduce the weapon's visibility during night operations. The weapon requires little maintenance and operates in all climates and weather conditions.


Collapsible buttstock

The
buttstock A gunstock or often simply stock, the back portion of which is also known as a shoulder stock, a buttstock or simply a butt, is a part of a long gun that provides structural support, to which the barrel, action, and firing mechanism are attached ...
is collapsible on the M4 Model (designated 11707) and on the M1014.While the M1014 was first manufactured before the
Federal Assault Weapons Ban The Public Safety and Recreational Firearms Use Protection Act, popularly known as the Federal Assault Weapons Ban (AWB), was a subsection of the Violent Crime Control and Law Enforcement Act of 1994, a United States federal law which include ...
expired, it fell outside the ban due to being produced under military contract, and the relevant Technical Manual explicitly describes the buttstock as being telescoping; the M11707 was first manufactured following the expiration of the Assault Weapons Ban and its provisions.
Collapsing the buttstock shortens the weapon by almost , allowing easier storage and transportation; furthermore, it permits better maneuverability around tight corners and over obstacles. The M4 is also available with both
pistol grip On a firearm or other tools, a pistol grip is a distinctly protruded handle underneath the main mechanism, to be held by the user's hand at a more vertical (and thus more ergonomic) angle, similar to the how one would hold a conventional pist ...
and semi-grip fixed stocks, with these also being available for the M1014.


Rail interface system

The
Picatinny rail The Picatinny rail ( or ), or Pic rail for short, also known as a MIL-STD-1913 rail, 1913 rail or STANAG 2324 rail (cancelled), is a military standard rail interface system that provides a mounting platform for firearm accessories. It was o ...
built into the top of the shotgun accepts scopes, laser illuminators, night-vision sights and
flashlight A flashlight ( US, Canada) or torch ( UK, Australia) is a portable hand-held electric lamp. Formerly, the light source typically was a miniature incandescent light bulb, but these have been displaced by light-emitting diodes (LEDs) since the ...
s. Most modern military
firearm A firearm is any type of gun designed to be readily carried and used by an individual. The term is legally defined further in different countries (see Legal definitions). The first firearms originated in 10th-century China, when bamboo tubes ...
s have similar structures. There are aftermarket accessories such as
handguard A barrel shroud is an external covering that envelops (either partially or full-length) the barrel of a firearm, to prevent unwanted direct contact with the barrel (e.g. accidental collision with surrounding objects, or the user accidentally tou ...
s that incorporate other rail interface systems such as
M-LOK M-LOK, for Modular Lock, is a firearm rail interface system developed and patented by Magpul Industries. The license is free-of-charge, but subject to an approval process. M-LOK allows for direct accessory attachment onto the "negative s ...
.


Benelli Tactical and the M4

Benelli Tactical is a division of Beretta's Law Enforcement (LE) division. Benelli Tactical manages the sales of all tactical shotguns to law enforcement agencies, government and military entities. The M4 shotgun is sold in three configurations: M4 Entry with a barrel; M4 with an barrel; and M1014, which is an M4 with the "M1014" nomenclature on it for military usage only. M4 shotguns sold through Benelli Tactical are available with the collapsible buttstock. Benelli Tactical and Beretta LE have maintained the belief that the collapsible buttstock, while no longer illegal in the United States, is still only to be made available to law enforcement and government agencies. Benelli Tactical/Beretta LE will not sell these stocks to private individuals. Benelli Tactical does sell the stock piece for retrofitting the pistol grip stock for $150. The stock must be direct-shipped from Italy, however it and other aftermarket stocks are commercially available and not restricted by the United States. Suggested retail price of the civilian version is around $1,899. An NFA stamp is required to purchase or own the 14.5" barreled model only since this model is considered to be a Short Barreled Shotgun or SBS. Standard
magazine A magazine is a periodical publication, generally published on a regular schedule (often weekly or monthly), containing a variety of content. They are generally financed by advertising, purchase price, prepaid subscriptions, or by a combinatio ...
capacity of the civilian version is 5+1, although it is possible to fit 6+1 and two shot extension tubes are sold by Benelli as well as some other companies. 9+1 extension tubes are also available, popular in 3-gun competitions. Some LE models have become available to private individuals on the secondary market.


Users

* * : Benelli M4 used by
Internal Troops The Internal Troops, full name Internal Troops of the Ministry for Internal Affairs (MVD) (russian: Внутренние войска Министерства внутренних дел, Vnutrenniye Voiska Ministerstva Vnutrennikh Del; abbreviat ...
, OMON, "Almaz" counter-terrorist unit and KGB Alpha Group. Seen with Alpha Group, Internal Troops and OCAM units deployed to Minsk during the 2020 protests. It is also allowed as civilian hunting weapon * : in use with MIA and military special operation forces. * : Used by special forces. * :
Iraqi Special Operations Forces The Iraqi Special Operations Forces (ISOF) ( ar, قوات العمليات الخاصة العراقية) are a special operations force of Iraq. The unit was created in 1950, but was disbanded and recruited from scratch by coalition forces after ...
. * : Used by special forces and special police units (
Army Ranger Wing , image = , caption = Shoulder flash and insignia of the Army Ranger Wing , dates = – present , country = , branch = , command_structure = Defence Forces , garrison = DFTC, Curragh Camp, County Kildare , size = Classified , ty ...
,
Special Detective Unit , headquarters = Harcourt Street, Dublin (D2) , formed = as the Criminal Investigation Department (CID) , preceding1 = Garda Special Branch , preceding2 = , jurisdiction = Ireland , employees = Undisclosed~ 300 , budget = Undisclosed ...
,
Emergency Response Unit An Emergency Response Unit is a name for a law enforcement or other civil government entity that is trained and equipped to respond quickly to emergency situations. In some instances, such a designation is given to a Special Weapons and Tactics uni ...
,
Regional Support Unit Armed Support Units (ASU) ( ga, Tacaiochta Faoi Arm) are specialist armed response units of the '' Garda Síochána'', the national police force of Ireland. Based in all six Garda regions in the country, Garda ASU officers carry a combination of ...
). * : Used by special forces. * : Used by special forces. * : Ordered 1800 before the
Libyan Revolution of 2011 The First Libyan Civil War was an armed conflict in 2011 in the North African country of Libya that was fought between forces loyal to Colonel Muammar Gaddafi and rebel groups that were seeking to oust his government. It erupted with the Lib ...
. Used by special forces. * : Used by special forces. * : Used by
Royal Malaysian Customs The Royal Malaysian Customs Department ( ms, Jabatan Kastam Diraja Malaysia), abbreviated RMC or JKDM, is the Malaysian Government agency responsible for administrating the nation's indirect tax policy, border enforcement and narcotic offences ...
, ''
Grup Gerak Khas The 21st Special Service Group (Abbr.: 21 SSG, ) is a command for Malaysian Army special forces, the '' Gerak Khas''. The 21 SSG and 10th Parachute Brigade are elite fighting formations of the Malaysian Army. Both units are independent units unde ...
'' counter-terrorism forces of
Malaysian Army The Malaysian Army ( ms, Tentera Darat Malaysia; Jawi: تنترا دارت مليسيا) is the land component of the Malaysian Armed Forces. Steeped in British Army traditions, the Malaysian Army does not carry the title ‘royal’ () as do th ...
and
PASKAU The (, Jawi: ڤاسوكن خاص تنترا اودارا) – it is better known as PASKAU – is the special operations force of the Royal Malaysian Air Force (RMAF; ). Its main functions are to carry out high-value target protection, ground ...
counter-terrorism team of
Royal Malaysian Air Force The Royal Malaysian Air Force (RMAF, ms, Tentera Udara Diraja Malaysia; TUDM; Jawi: ) was formed on 2 June 1958 as the Royal Federation of Malaya Air Force (; ). However, its roots can be traced back to the Malayan Auxiliary Air Force format ...
. * * : Used by
Portuguese Armed Forces The Portuguese Armed Forces ( pt, Forças Armadas) are the military of Portugal. They include the General Staff of the Armed Forces, the other unified bodies and the three service branches: Portuguese Navy, Portuguese Army and Portuguese Air F ...
* : Special Anti-Terrorist Unit. * : Special Defence Division and Intervention Group. * : Used by Military Police Forces. * * : Used by the
British Armed Forces The British Armed Forces, also known as His Majesty's Armed Forces, are the military forces responsible for the defence of the United Kingdom, its Overseas Territories and the Crown Dependencies. They also promote the UK's wider interests, s ...
designated ''L128A1''. * :
United States Armed Forces The United States Armed Forces are the military forces of the United States. The armed forces consists of six service branches: the Army, Marine Corps, Navy, Air Force, Space Force, and Coast Guard. The president of the United States is the ...
designated ''M1014'',
Los Angeles Police Department The Los Angeles Police Department (LAPD), officially known as the City of Los Angeles Police Department, is the municipal police department of Los Angeles, California. With 9,974 police officers and 3,000 civilian staff, it is the third-large ...
(LAPD).
Cambridge Police Department (Massachusetts) The Cambridge Police Department is the municipal police department for the city of Cambridge, Massachusetts, in the United States. Formally organized in 1859. with the appointment of John C. Willey as the first Chief of Police, the Cambridge Pol ...
.


See also

*
Benelli M1 The Benelli M1 is a semi-automatic shotgun manufactured by Benelli Armi S.P.A., and the first of the "Benelli Super 90" series of semi-auto shotguns. Introduced in 1986, it is available in several versions for civilian, law enforcement and mili ...
*
Benelli M2 The Benelli M2 is a semi-automatic shotgun manufactured by Benelli Armi SpA, and the second model of the Benelli Super 90 line of semi-automatic shotguns. It is an updated version of the Benelli M1. Like its predecessor, it is available in several ...
*
Benelli M3 The Benelli M3 is a dual-mode (hybrid pump-action and semi-automatic) shotgun designed and manufactured by Italian firearms manufacturer Benelli Armi SpA, and one of the "Benelli Super 90" series of semi-auto shotguns. The M3 holds a maximum of ...


Notes


References


External links


Benelli M4 Website

Benelli M4 operator's manual

Official M4 Super 90 page

British Forces show off Firepower

Benelli ETHOS

Benelli Legacy

Benelli Montefeltro



USMC TM 10698A-10/1 Operator's Manual for Shotgun, Combat 12 Gauge, Semi-automatic M1014 1005-01-472-3147
{{Current French infantry weapons Benelli Armi SpA Police weapons Semi-automatic shotguns of Italy United States Marine Corps equipment Weapons and ammunition introduced in 1999