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A submachine gun is a Firearm that combines the Automatic Fire of a Machine Gun with the Cartridge of a Pistol , and is usually between the two in weight and size. They were first experimented with in the form of a Stocked Pistol being converted from Semi to Fully Automatic in the early 20th century. Stocked automatic weapons firing pistol rounds were developed around the same time during World War I , by Italy , Germany , and the United States . The first dedicated designs were developed in the latter stages of World War I both as improvement on earlier stocked pistols, and to offer an advantage in Trench Warfare . They were popularized in the 1920s and '30s as weapon of choice of American Gangster s and police, in the form of the famous Thompson Submachine Gun , commonly referred to as the "Tommy Gun". Submachine guns rose to prominence as a frontline and organizations. They are ideal for close-range combat in enclosed urban environments, where a weapon's range and accuracy is less important than the ability to easily and instinctively obtain multiple strikes on a target. Pistol rounds are ideal for many law enforcement applications where innocent people are present, since they are less likely to over-penetrate and hit unintended targets compared to rifle cartridges. Conversely, they are largely ineffective against body armor, which limits modern military applications. Submachine guns lack long-range power and accuracy compared to higher power Rifle s, limiting their use in the open. 19TH CENTURY TO 1920 1921 with box-type magazine]] The first automatic weapon to fire a pistol round was a scaled down version of the Maxim Machine Gun , used for demonstrations in marketing the Maxim in the late 19th century, especially when a full size firing range was not available. First generation submachine guns were characterized by machined metal parts, blowback designs with the bolt directly behind the barrel. The submachine gun (sometimes abbreviated "SMG") appeared during the later stages of World War I. It would have its trial by fire in the brutal world of Trench Warfare . Fighting in the trenches had become a clumsy and brutal art, involving grenades, pistols, sharpened entrenching tools, and bayonets. The Italians were the first to develop a submachine gun type of weapon, the Villar Perosa . Introduced in 1915, it is usually called the first submachine gun because it fired a pistol round (the 9 mm Glisenti). Originally developed as an aircraft weapon, it also saw some use by infantry, both for close quarters assaults and as a Light Machine Gun . This odd design was eventually modified to become a traditional submachine gun, the Beretta 1918 . However, some regard the Bergmann MP18 as the first true submachine gun by comparing the dates of the early Bergman prototypes with the Beretta date of service entry. While the Beretta 1918 became standard issue a couple of months prior to the Bergmann MP18 in 1918, the Bergman had tested in prototype form as early as 1916- However, this overlooks that the Beretta was in prototype stage in the same period. Futher complicated matters is that the first program to start was for the Thompson submachine gun. The various dates and achievements of the first generation submachine guns creates a contentious area for firearms historians, with conclusions much to do with their nationality and interpretations. The Beretta 1918 had a traditional wooden stock, a 25-round box magazine, and had a cyclic Rate Of Fire of 900 rounds per minute. The Germans had been using heavier versions of P08 Pistol s, equipped with larger capacity snail magazine, and longer barrel; these were semi-automatic. A stocked purposed designed automatic pistol was worked on by Bergmann, which by 1918 had developed the MP18 . The MP18 used 9 mm Parabellum round in a snail-magazine. The MP18 was used in significant numbers by the German World War I Stormtroopers which, in conjunction with appropriate tactics, achieved some notable successes in the final year of the war. However, they were not enough to prevent Germany's collapse in November 1918. The Thompson submachine guns had been in development at approximately the same time as the Bergman and Beretta, but development was put on hold in 1917, when the US and the weapon's designer (Thompson) entered the war. The design was completed afterwards and used a different internal system from the MP18 or Beretta, but it had missed its chance to be the first purpose-designed submachine gun to enter service. It would however go on to serve as the basis for later weapons and have the longest active service life of the three. 1920 TO 1950 In the inter-war years the submachine gun became notorious as a gangster weapon; the iconic image of pinstripe-suited James Cagney types wielding drum-magazine Thompsons caused some military planners to shun the weapon. It was also used by the police, but many criminals favored the M1918 Browning Automatic Rifle . The submachine gun was nevertheless gradually accepted by many militaries, with many countries developing their own designs over the period, especially in the 1930s. In the USSR , the PPD34 And PPD34/38 were developed. In France the MAS-35 was developed into the MAS-38 . In Germany some improvements on the MP18 were employed, namely the MP28/II and the MP34 . Also, Nazi Germany adopted the MP38 , unique in that it used no wood and a folding metal stock, though it used similar amount of stampings as the MAS. Italy further developed a number of its own designs (see List Of Italian Submachine Guns ), with similar attempts at improvements in lower production cost, quality, or weight. 9mm submachinegun - Stock extended]] During the invasion of Poland by Nazi Germany in 1939, the MP38 production was still just starting and only a few thousand were in service, but it proved very popular especially in towns and cities. From it, the nearly identical, but safer and cheaper to make, MP40 was developed; about a million MP40s were made in World War II. The MP40's design used even more stampings, and less important metals such as aluminium, but still managed to be lighter because it avoided some of the heavier machined parts of the MP38. Britain adopted the Lanchester Submachine Gun , based on the MP28/II. However the high cost of manufacture and low rate of production led to the much simpler, cheaper and faster to make Sten submachine gun. The Sten gun was so cheap to make that near the end of World War II, Nazi Germany started manufacturing their own copy of the design (the MP 3008 ). Britain also used many M1928 Thompsons early on (the inter-war period version with a drum magazine), and also many of the improved version M1 (the one seen only with a stick magazine). After the war, the Sten would be replaced by the Sterling Submachine Gun . America and its allies used the Thompson submachine gun, especially the simplified M1 version that did away with the Tommy's drum magazine and some of the machined parts. Because it was still expensive to produce, the M3 "Grease Gun" was adopted in 1942, followed by the slightly improved M3A1 in 1944. The M3 was not necessarily more effective, but was made with cheap stamped metal, making it much more affordable. It could be configured to fire either .45 ACP ammunition, which the Thompson and M1911 pistol also fired, or the 9 Mm Parabellum , widely used by Allies and Axis. It would be among the longest serving of the submachine guns designed during the war, being produced into the 1960s and serving in US forces officially into the 1980s. Finland had developed the M/31 Suomi before the Winter War in which it saw much use. The weapon fired 9 mm Parabellum rounds from a drum magazine with the capacity of 70 (although often loaded with up to 74). Although America used stick magazines in the Thompson, and Russians carried only a few drum magazines (usually one drum, if any, and the rest ammo as stick magazines), the Suomi was mostly deployed with drums. They were also less prone to jamming than the stick or "casket" magazines developed for the weapon. The weapon was used till the end of Lapland war, and in peacetime service, to the early 1990s. By the end of World War II, the USSR had fielded the largest number of submachine guns, such as the PPSh-41 , with whole infantry battalions being armed with little else. Even in the hands of conscripted soldiers just out of basic training, the volume of fire produced by massed submachine guns could be overwhelming. The German forces formed similar troops of their own in response to this. The discovery made during World War II that a high rate of fire was more effective than the slower but more accurate fire (such as provided by bolt-action and semi-automatic rifles) was one of the main causes for the development of the Assault Rifle . 1950 TO PRESENT with sling]] Submachine guns lend themselves to moderation with Suppressor s, particularly so in cases where the weapon is loaded with subsonic ammunition. Variants of the Sten and modern-day Heckler & Koch MP5 have been manufactured with quiet, integral silencers, and such weapons are on occasion used by Special Forces and police units. After the Korean War , the role of submachine guns in military applications was gradually diminished. Both submachine guns and Battle Rifle s were supplanted by the new Assault Rifles , such as the CAR-15 and Heckler & Koch HK53 . Submachine guns are still used by Special Forces , Air Crew s, Armored Vehicle Crews , Counter-terrorist units, and Naval Personnel . Though submachine guns still have a strong hold on niche users, due to their advantage in compact size, they are facing competition from Carbines , cut-down assault rifles. The dominance of submachine guns in law enforcement has been threatened by new developments since the 1990s. Factors such as the wide availability of Assault Rifle s and Carbine s and the increasing use of Body Armor have combined to limit the appeal of submachine guns to government agencies. Assault rifles and carbines have been supplementing submachine guns in some roles. However, assault rifles are not a complete replacement, since they are generally heavier, and they have higher muzzle blast, more recoil, and are more likely to overpenetrate due to their use of rifle rounds. Also touted as a successor is the Personal Defense Weapon (PDW), which fires armour-piercing pistol cartridges, but otherwise is similar in operation to submachine guns and is often considered as such. Unlike assault rifles and carbines, submachine guns and PDWs have a very high rate of fire which, when combined with the lower recoil of the smaller pistol-sized cartridges, increases the probability of multiple hits. However, the PDW's specialized ammunition is incompatible with common pistol and rifle rounds, and it is not effective against unarmored targets. The trend in modern submachine guns had been toward lighter, smaller weapons utilizing plastics to a greater degree. LEGALITY In the United States , submachine guns are NFA Weapons (also known as Title II weapons). They are regulated under the National Firearms Act of 1934 as amended by Title II of the Gun Control Act of 1968 and Firearms Owners' Protection Act of 1986. The manufacture of machineguns for civilian ownership has been illegal since 1986. All machineguns currently in circulation are Grandfathered . NFA Firearm s made before 1986 can be legally owned by civilians only if State and local laws permit. Other requirements, such as an extensive background check and approval by local and federal law must also be met. Switzerland allows the private ownership of semi-automatic versions of submachine guns as sporting firearms. Fully automatic submachine guns may only be owned by collectors and may not be fired in fully automatic mode. Many other countries such as Germany , Austria and Italy authorize the private ownership of semi-automatic versions of submachine guns as sporting firearms, in some cases with modifications (i.e. Italy requires the magazine capacity to be permanently reduced to 10 or 5 rounds depending from the case, also requires a permanently fixed stock in all cases), while the fully-automatic submachine guns remain forbidden for civilian use. Czech Republic allows the ownership of all kinds of automatic weapons up to .50 caliber to collectors who obtain a license from the Ministry of the Interior. In the United Kingdom , however they are prohibited except for use by the police and military. The exception is relatively hard to obtain and depends largely on the discretion of the local police department. Finland and Sweden allows ownership of submachine guns and other automatic weapons, though subject to licensing. Private ownership of submachine guns and indeed all automatic weapons (except weapons disabled and forming part of a collection) are banned in all Australian states though they are used by the various states' police services (mainly if not exclusively by specialist counter-terrorist or SWAT units) and the Australian military. REFERENCES SEE ALSO |
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