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United States The United States of America (U.S.A. or USA), commonly known as the United States (U.S. or US) or America, is a country Continental United States, primarily located in North America. It consists of 50 U.S. state, states, a Washington, D.C., ...
, ''assault weapon'' is a controversial term used to define
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 with specified characteristics. The definition varies among regulating jurisdictions, but usually includes
semi-automatic firearm A semi-automatic firearm, also called a self-loading or autoloading firearm ( fully automatic and selective fire firearms are also variations on self-loading firearms), is a repeating firearm whose action mechanism ''automatically'' loads a fol ...
s with a detachable
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 ...
, a
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 pis ...
, and sometimes other features, such as a vertical forward grip,
flash suppressor A flash suppressor, also known as a flash guard, flash eliminator, flash hider, or flash cone, is a muzzle device attached to the muzzle (firearms), muzzle of a rifle that reduces its visible signature while firing by cooling or dispersing the b ...
, or barrel shroud. Certain firearms are specified by name in some laws that restrict assault weapons. When the now-defunct
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 includ ...
was passed in 1994, the U.S. Department of Justice said, "In general, assault weapons are semiautomatic firearms with a large magazine of ammunition that were designed and configured for rapid fire and combat use." The commonly used definitions of assault weapons are under frequent debate, and have changed over time. The origin of the term has been attributed to legislators, the firearms industry,
gun control Gun control, or firearms regulation, is the set of laws or policies that regulate the manufacture, sale, transfer, possession, modification, or use of firearms by civilians. Most countries have a restrictive firearm guiding policy, with onl ...
groups, and the media. It is sometimes used interchangeably with the term " assault rifle", which refers to
selective fire Selective fire is the capability of a weapon to be adjusted to fire in semi-automatic, fully automatic, and/or burst mode. The modes are chosen by means of a selector switch, which varies depending on the weapon's design. Some selective-fire w ...
rifles that use
intermediate cartridge An intermediate cartridge is a rifle/ carbine cartridge that has significantly greater power than a pistol cartridge but still has a reduced muzzle energy compared to fully powered cartridges (such as the .303 British, 7.62×54mmR, 7.92×57 ...
s. After the December 2012
Sandy Hook Elementary School shooting The Sandy Hook Elementary School shooting occurred on December 14, 2012, in Newtown, Connecticut, United States, when 20-year-old Adam Lanza shot and killed 26 people. Twenty of the victims were children between six and seven years old, and t ...
, many news organizations ran stories about assault weapons, explaining their varying definitions and presenting varying opinions about whether they should be banned again at the federal level.


Definitions and usage

Drawing from federal and state law definitions, the term assault weapon refers primarily to
semi-automatic rifle A semi-automatic rifle is an autoloading rifle that fires a single cartridge with each pull of the trigger, and uses part of the fired cartridge's energy to eject the case and load another cartridge into the chamber. For comparison, a bolt ...
s, pistols, and
shotguns A shotgun (also known as a scattergun, or historically as a fowling piece) is a long-barreled firearm designed to shoot a straight-walled cartridge known as a shotshell, which usually discharges numerous small pellet-like spherical sub-proj ...
that are able to accept detachable magazines and possess one or more other features. Some jurisdictions define revolving-cylinder shotguns as assault weapons. Legislative definitions do not include fully automatic weapons, which are regulated separately as Title II weapons under federal law. A key defining law was the now-defunct
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 includ ...
of 1994. At that time, the
United States Department of Justice The United States Department of Justice (DOJ), also known as the Justice Department, is a federal executive department of the United States government tasked with the enforcement of federal law and administration of justice in the United Stat ...
said, "In general, assault weapons are semiautomatic firearms with a large magazine of ammunition that were designed and configured for rapid fire and combat use." Common attributes used in legislative definitions of assault weapons include: *
Semi-automatic firearm A semi-automatic firearm, also called a self-loading or autoloading firearm ( fully automatic and selective fire firearms are also variations on self-loading firearms), is a repeating firearm whose action mechanism ''automatically'' loads a fol ...
capable of accepting a detachable magazine; * Folding or telescoping (collapsible) stock, which reduces the overall length of the firearm; * A
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 pis ...
that protrudes beneath the action of the weapon; * Bayonet lug, which allows the mounting of a
bayonet A bayonet (from French ) is a knife, dagger, sword, or spike-shaped weapon designed to fit on the end of the muzzle of a rifle, musket or similar firearm, allowing it to be used as a spear-like weapon.Brayley, Martin, ''Bayonets: An Illustr ...
; * Threaded barrel, which can accept muzzle devices such as a flash hider,
suppressor A silencer, also known as a sound suppressor, suppressor, or sound moderator, is a muzzle device that reduces the acoustic intensity of the muzzle report (sound of a gunshot) and muzzle rise when a gun (firearm or air gun) is discharged, b ...
, compensator or
muzzle brake A muzzle brake or recoil compensator is a device connected to, or a feature integral to the construction of, the muzzle or barrel of a firearm or cannon that is intended to redirect a portion of propellant gases to counter recoil and unwanted ...
; *
Grenade launcher A grenade launcher is a weapon that fires a specially-designed large-caliber projectile, often with an explosive, smoke or gas warhead. Today, the term generally refers to a class of dedicated firearms firing unitary grenade cartridges. The mo ...
; * Barrel shroud. Dictionary definitions vary from legal definitions. Dictionary.com defines "assault weapon" as "any of various automatic and semiautomatic military firearms utilizing an intermediate-power cartridge, designed for individual use". Merriam-Webster's online definition is "any of various automatic or semiautomatic firearms; especially: assault rifle".


History of terminology

The origin of the term is not clearly known and is the subject of much debate. In the past, the names of certain military weapons used the phrase, such as the Rifleman's Assault Weapon, a grenade launcher developed in 1977 for use with the
M16 The M16 rifle (officially designated Rifle, Caliber 5.56 mm, M16) is a family of military rifles adapted from the ArmaLite AR-15 rifle for the United States military. The original M16 rifle was a 5.56×45mm automatic rifle with a 20-roun ...
assault rifle, or the Shoulder-launched Multipurpose Assault Weapon, a rocket launcher introduced in 1984. One of the earliest uses of the term, or a similar term, in its current meaning was as part of an advertisement in the Hutchinson (Kansas) News in 1978 for the Valmets-7.62x39, the
Colt AR-15 The Colt AR-15 is a lightweight, magazine-fed, gas-operated semi-automatic rifle. It is a semi-automatic version of the M16 rifle sold for the civilian and law enforcement markets in the United States. Colt's Manufacturing Company currently o ...
, and the Wilkinson Terry carbine. Another was in a bill introduced by
Art Agnos Arthur Christ Agnos (born Arthouros Agnos; [] September 1, 1938) is an American politician. He served as the 39th Mayor of San Francisco, mayor of San Francisco, California from 1988 to 1992 and as the Regional Head of the United States Department ...
in the
California State Assembly The California State Assembly is the lower house of the California State Legislature, the upper house being the California State Senate. The Assembly convenes, along with the State Senate, at the California State Capitol in Sacramento. The ...
in April 1985 to ban semi-automatic "assault firearms" capable of using detachable magazines of 20 rounds or more. Speaking to the Assembly Public Safety Committee, Agnos said, "The only use for assault weapons is to shoot people." The measure did not pass when it came up for a vote. In 2013, ''
The Washington Post ''The Washington Post'' (also known as the ''Post'' and, informally, ''WaPo'') is an American daily newspaper published in Washington, D.C. It is the most widely circulated newspaper within the Washington metropolitan area and has a large n ...
'', looking into the history of the term, wrote of the term: "Many attribute its popularization to a 1988 paper written by gun-control activist and Violence Policy Center founder Josh Sugarmann and the later reaction to the
Cleveland School massacre The Cleveland Elementary School shooting (also known as the Stockton schoolyard shooting and the Cleveland School massacre) occurred on January 17, 1989, at Cleveland Elementary School at 20 East Fulton Street in Stockton, California, United St ...
in Stockton, California, in January 1989." Sugarmann had written: Other researchers have found evidence to suggest that the firearms industry itself may have introduced the term "assault weapon" to build interest in new product lines. Phillip Peterson, the author of ''Gun Digest Buyer’s Guide to Assault Weapons'' (2008) wrote: Meanwhile, many gun rights activists have put forward that the term was popularized by the media or gun control activists. Conservative writer
Rich Lowry Richard Lowry (; born August 22, 1968) is an American writer who is the former editor and now editor-in-chief of '' National Review'', an American conservative news and opinion magazine. Lowry became editor of ''National Review'' in 1997 when sel ...
said that assault weapon is a "manufactured term". Joseph P. Tartaro of the Second Amendment Foundation (SAF) wrote in 1994: "One of the key elements of the anti-gun strategy to gull the public into supporting bans on the so-called 'assault weapons' is to foster confusion. As stated previously, the public does not know the difference between a full automatic and a semi-automatic firearm." Robert Crook, executive director of the Coalition of Connecticut Sportsmen, said "the term 'assault weapon,' as used by the media, is a media invention."
Gun control Gun control, or firearms regulation, is the set of laws or policies that regulate the manufacture, sale, transfer, possession, modification, or use of firearms by civilians. Most countries have a restrictive firearm guiding policy, with onl ...
supporters use the term while gun rights supporters generally do not use the term.


Differing state law definitions

Seven states have assault weapon bans with different definitions and characteristics. *
California California is a state in the Western United States, located along the Pacific Coast. With nearly 39.2million residents across a total area of approximately , it is the most populous U.S. state and the 3rd largest by area. It is also the m ...
defines assault weapons by name, by "series" (
AK-47 The AK-47, officially known as the ''Avtomat Kalashnikova'' (; also known as the Kalashnikov or just AK), is a gas-operated assault rifle that is chambered for the 7.62×39mm cartridge. Developed in the Soviet Union by Russian small-arms d ...
or
AR-15 An AR-15-style rifle is any lightweight semi-automatic rifle based on the Colt AR-15 design. The original ArmaLite AR-15 is a scaled-down derivative of Eugene Stoner's ArmaLite AR-10 design. The then Fairchild Engine and Airplane Corporation ...
), and by characteristic. A shotgun with a revolving cylinder is also defined as an assault weapon. *
Connecticut Connecticut () is the southernmost state in the New England region of the Northeastern United States. It is bordered by Rhode Island to the east, Massachusetts to the north, New York (state), New York to the west, and Long Island Sound to the ...
defines assault weapons as selective-fire firearms (including assault rifles capable of fully automatic or burst fire); semi-automatic firearms specified by name; and semi-automatic firearms with specific characteristics. *
Hawaii Hawaii ( ; haw, Hawaii or ) is a state in the Western United States, located in the Pacific Ocean about from the U.S. mainland. It is the only U.S. state outside North America, the only state that is an archipelago, and the only stat ...
defines and bans assault ''pistols''. *
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 t ...
defines and bans assault ''pistols''. It regulates 45 other assault weapons listed by make or model including copies, regardless of manufacturer. *
Massachusetts Massachusetts (Massachusett: ''Muhsachuweesut Massachusett_writing_systems.html" ;"title="nowiki/> məhswatʃəwiːsət.html" ;"title="Massachusett writing systems">məhswatʃəwiːsət">Massachusett writing systems">məhswatʃəwiːsət'' En ...
defines assault weapons as semi-automatic firearms with the same definition provisions from the expired federal ban of 1994. *
New York New York most commonly refers to: * New York City, the most populous city in the United States, located in the state of New York * New York (state), a state in the northeastern United States New York may also refer to: Film and television * '' ...
had an assault weapons ban prior to 2013, but on January 16 of that year it passed the SAFE Act, which created a stricter definition of assault weapons and banned them immediately. The NY SAFE Act defines assault weapons as semi-automatic pistols and rifles with detachable magazines and one military-style feature, and semi-automatic shotguns with one military-style feature. In
Illinois Illinois ( ) is a state in the Midwestern United States. Its largest metropolitan areas include the Chicago metropolitan area, and the Metro East section, of Greater St. Louis. Other smaller metropolitan areas include, Peoria and Rock ...
, proposed legislation in 2013 would have defined the term "semi-automatic assault weapon" as any semi-automatic firearm able to accept a detachable magazine, but it was never brought to a vote. The Illinois State Rifle Association said most of the state's firearms owners owned one or more guns that would have been banned under the proposal. The NRA said the proposal would have restricted about 75 percent of handguns and 50 percent of long guns in circulation. As municipalities,
Chicago (''City in a Garden''); I Will , image_map = , map_caption = Interactive Map of Chicago , coordinates = , coordinates_footnotes = , subdivision_type = List of sovereign states, Count ...
and Cook County bans certain firearms defined as assault weapons and have no provision for legal possession of firearms owned before their laws were passed.
Minnesota Minnesota () is a state in the upper midwestern region of the United States. It is the 12th largest U.S. state in area and the 22nd most populous, with over 5.75 million residents. Minnesota is home to western prairies, now given over t ...
also defines certain firearms as assault weapons and regulates their sales. The
State of Washington Washington (), officially the State of Washington, is a state in the Pacific Northwest region of the Western United States. Named for George Washington—the first U.S. president—the state was formed from the western part of the Washington ...
defines any semi-automatic rifle (except antiques), regardless of features, caliber, or magazine type, as a "semiautomatic assault rifle".


Distinction from assault rifles

The term "assault rifle" is frequently used interchangeably with the term "assault weapon" but this use has been described as incorrect and a misapplication of the term. The AP Stylebook suggests that newsrooms avoid the terms "assault weapon" and "assault rifle" instead using the term "semi-automatic rifle". Part of the definition of "assault rifle", according to the ''
Encyclopædia Britannica The (Latin for "British Encyclopædia") is a general knowledge English-language encyclopaedia. It is published by Encyclopædia Britannica, Inc.; the company has existed since the 18th century, although it has changed ownership various t ...
,'' is that it is selective-fire, which means that it is capable of both semiautomatic and fully automatic fire. Civilian ownership of
machine gun A machine gun is a fully automatic, rifled autoloading firearm designed for sustained direct fire with rifle cartridges. Other automatic firearms such as automatic shotguns and automatic rifles (including assault rifles and battle rifles ...
s, including selective-fire rifles, has been tightly regulated since 1934 under the
National Firearms Act The National Firearms Act (NFA), 73rd Congress, Sess. 2, ch. 757, was enacted on June 26, 1934, and currently codified and amended as . The law is an Act of Congress in the United States that, in general, imposes an excise tax on the manufact ...
and since 1986 under the
Firearm Owners Protection Act The Firearm Owners' Protection Act (FOPA) of 1986 is a United States federal law that revised many provisions of the Gun Control Act of 1968. Federal firearms law reform Under the Gun Control Act of 1968, the Bureau of Alcohol, Tobacco and Fi ...
.


Cosmetic features

Gun control advocates and gun rights advocates have referred to at least some of the features outlined in assault weapons bans as "cosmetic". The NRA Institute for Legislative Action and the Violence Policy Center both used the term in 2004 when the federal ban expired. In May 2012, the
Law Center to Prevent Gun Violence The Giffords Law Center to Prevent Gun Violence, previously known as the Legal Community Against Violence and the Law Center to Prevent Gun Violence, is a national public interest law center and nonprofit organization that promotes gun safety legis ...
said, "the inclusion in the list of features that were purely cosmetic in nature created a loophole that allowed manufacturers to successfully circumvent the law by making minor modifications to the weapons they already produced." Some reporters used the term in stories after the 2012 shootings in
Aurora, Colorado Aurora (, ) is a home rule municipality located in Arapahoe, Adams, and Douglas counties, Colorado, United States. The city's population was 386,261 at the 2020 United States Census with 336,035 residing in Arapahoe County, 47,720 residing in ...
, and
Newtown, Connecticut Newtown is a town in Fairfield County, Connecticut, United States. It is part of the Greater Danbury metropolitan area as well as the New York metropolitan area. Newtown was founded in 1705, and later incorporated in 1711. As of the 2020 cens ...
. Assault weapons, also sometimes called "black guns" or "black rifles", are no more powerful than many other semi-automatic rifles legally used for hunting throughout the United States; they do not shoot faster or have greater range. Two scholars have written: "One problem inherent in the study of ssault weapons (AW)is that the classifications of AW are based on cosmetic features of firearms... For instance, the Colt AR-15 series of semi-automatic rifles—the civilian version of the fully automatic M-16 rifle issued to U.S. soldiers—was subject to the 1994 AW restrictions, but the
Ruger Mini-14 The Mini-14 is a lightweight semi-automatic rifle manufactured by Sturm, Ruger & Co. Introduced in 1973, it is based on the M14 rifle and is essentially a scaled-down version chambered in 5.56×45mm NATO. It is made in a number of variants, in ...
rifle was not banned. Yet, the Mini-14 is the same caliber, has a similar barrel length, the same semi-automatic action, and can use magazines that hold 30 rounds of ammunition. The only real meaningful difference between the two firearms is cosmetic: The AR-15 rifle looks more dangerous." The National Shooting Sports Foundation, a firearms industry
trade group A trade association, also known as an industry trade group, business association, sector association or industry body, is an organization founded and funded by businesses that operate in a specific industry. An industry trade association partic ...
, states that the term ''assault weapon'' has been misapplied to many semi-automatic firearms because of their appearance and not their use in crime.


Political and legislative issues

As of 2012, there are an estimated 2.5–3.7 million rifles from just the AR-15 family of rifles in civilian use in the United States; the total number of assault weapons in the United States among all types is not known, and can not be known because of the different definitions in different jurisdictions.


Defunct U.S. Federal Assault Weapons Ban

The Public Safety and Recreational Firearms Use Protection Act of 1994, more commonly known as the Federal Assault Weapons Ban, expired in 2004. It banned the manufacture or importation of certain semi-automatic firearms that it defined as "semiautomatic assault weapons", commonly known as assault weapons. Any firearms so defined that were already possessed at the time the law took effect were grandfathered in, and could be legally owned or transferred. Another aspect of the law banned the manufacture or importation of magazines that could hold more than ten rounds of ammunition, with existing magazines grandfathered in as legal. The Federal Assault Weapons Ban of 1994 defined certain firearms as assault weapons based on the features they possessed. This included semi-automatic rifles with a detachable magazine and at least two of these features: a pistol grip, a folding or telescoping stock, a flash suppressor or threaded barrel, a bayonet mount, or a muzzle-mounted grenade launcher. It included semi-automatic pistols with a detachable magazine and at least two of these features: a magazine that attaches outside the pistol grip, a threaded barrel, a barrel shroud, or an unloaded weight of 50 ounces or more. Additionally defined as assault weapons were semi-automatic shotguns with a rotating cylinder, or with at least two of these features: a pistol grip, a folding or telescoping stock, a detachable magazine, or a fixed magazine that can hold more than five rounds. The ban also prohibited 19 specifically named models of firearms, as well as copies of those guns. These included the AK-47, Uzi,
Galil The IMI Galil ( he, גליל) is a family of Israeli-made automatic rifles chambered for the 5.56×45mm NATO and 7.62×51mm NATO cartridges. Originally designed by Yisrael Galili and Yakov Lior in the late 1960s, the Galil was first produced ...
, AR-15,
FN FAL The FAL (a French acronym for (English: "Light Automatic Rifle")), is a battle rifle designed in Belgium by Dieudonné Saive and manufactured by FN Herstal (simply known as FN). During the Cold War the FAL was adopted by many countries of th ...
,
MAC-10 The Military Armament Corporation Model 10, officially abbreviated as "M10" or "M-10", and more commonly known as the MAC-10, is a compact, blowback operated machine pistol/submachine gun that was developed by Gordon B. Ingram in 1964. It is ...
,
Steyr AUG The Steyr AUG () is an Austrian bullpup assault rifle chambered for the 5.56×45mm NATO intermediate cartridge, designed in the 1960s by Steyr-Daimler-Puch, and now manufactured by Steyr Arms GmbH & Co KG. It was adopted by the Austrian A ...
, TEC-9, and Armsel Striker. File:Ruger 10-22 (2).JPG, This
Ruger 10/22 The Ruger 10/22 is a series of semi-automatic rifles produced by American firearm manufacturer Sturm, Ruger & Co., chambered for the .22 Long Rifle rimfire cartridge. It uses a patented 10-round rotary magazine, though higher capacity box ma ...
rifle with a pistol grip and a folding stock was classified as an assault weapon under the Federal Assault Weapons Ban. File:kg99.jpg, An Intratec TEC-DC9 with a 32-round magazine. This semi-automatic pistol has a threaded barrel and a magazine that attaches outside the pistol grip, two of the features listed in the Federal Assault Weapons Ban.


Assault Weapons Ban of 2013 bill

On December 16, 2012, two days after the Sandy Hook Elementary School shooting, Senator
Dianne Feinstein Dianne Goldman Berman Feinstein ( ; born Dianne Emiel Goldman; June 22, 1933) is an American politician who serves as the senior United States senator from California, a seat she has held since 1992. A member of the Democratic Party, she wa ...
said she would introduce a new assault weapons ban on the first day of Congress. Five days later, on December 21,
Wayne LaPierre Wayne Robert LaPierre Jr. (born November 8, 1949) is an American gun rights lobbyist who is CEO and executive vice president of the National Rifle Association (NRA), a position he has held since 1991. Personal background Wayne Robert LaPierr ...
, chief executive of the National Rifle Association, held a news conference repeating the NRA's opposition to additional gun laws. Feinstein and Senator
Richard Blumenthal Richard Blumenthal (; born February 13, 1946) is an American lawyer and politician who is the senior United States senator from Connecticut, a seat he has held since 2011. A member of the Democratic Party, he is one of the wealthiest members of ...
held a separate news conference in response. There, Feinstein said that it seemed to her "prudent" to register grandfathered assault weapons under the National Firearms Act (NFA). A two-page bill summary on the senator's web site also mentioned registering grandfathered assault weapons under the NFA, but the text of the bill introduced to the Senate did not include that provision. On January 24, 2013, Feinstein introduced S. 150, the "Assault Weapons Ban of 2013". The bill was similar to the 1994 ban, but differed in that it used a one-feature test for a firearm to qualify as an assault weapon rather than the two-feature test of the 1994 ban. On April 17, 2013, it failed on a Senate vote of 60 to 40.


See also

* Gun culture in the United States *
Gun politics in the United States Gun politics within American politics is defined by two primary opposing ideologies about civilian gun ownership. Those who advocate for gun control support increased regulation of gun ownership; those who advocate for gun rights oppose incre ...
* Military-style semi-automatic, New Zealand legal classification


Explanatory notes


References


External links

* {{Authority control Firearms Gun politics in the United States United States firearms law