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Assault weapon is a term used in the United States to define some types of firearms.〔 The definition varies among regulating jurisdictions, but usually includes semi-automatic firearms with a detachable magazine and a pistol grip, and sometimes other features such as a flash suppressor or barrel shroud.〔〔 Some firearms are specified by name.〔 At the time that the now-defunct Federal Assault Weapons Ban passed in 1994, the U.S. Justice Department 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 origin of the term is muddled and has been attributed to politicians, gun control groups, the media, and the firearms industry itself.〔〔〔〔 It is sometimes conflated with the term "assault rifle," which refers to selective fire military rifles that can fire in automatic and burst mode.〔 After the December 2012 Sandy Hook Elementary School shooting, many news organizations ran stories about assault weapons, explaining their varying definitions and presenting varying opinions about whether or not they should be banned again on the federal level.〔 ==Definitions and usage== (詳細はsemi-automatic rifles, pistols, and shotguns that are able to accept detachable magazines and possess one or more other features.〔〔 Some jurisdictions define revolving cylinder shotguns as assault weapons.〔(【引用サイトリンク】url=http://www.jud.ct.gov/ji/criminal/glossary/assaultweapon.htm )〕 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 of 1994. At that time, the United States 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." Common attributes used in legislative definitions of assault weapons include: *Semi-automatic firearm capable of accepting a detachable magazine〔〔 *Folding or telescoping (collapsible) stock,〔 which reduces the overall length of the firearm *Pistol grip, whether rifle, shotgun, or pistol〔 *Bayonet lug,〔 which allows the mounting of a bayonet *Threaded barrel, which can accept devices such as a flash suppressor, Suppressor,〔 compensator or muzzle brake *Grenade launcher〔 *Barrel shroud, which prevents burning of shooter's arm or hand as a safety device. 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."〔Definition of ("assault weapon" ), Dictionary.com. Retrieved December 29, 2012.〕 Merriam-Webster's online definition is "any of various automatic or semiautomatic firearms; especially: assault rifle."〔Definition of ("assault weapon" ), Merriam-Webster. Retrieved December 29, 2012.〕 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「assault weapon」の詳細全文を読む スポンサード リンク
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