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A machine pistol is a handgun that is capable of fully automatic fire, including stockless handgun-style submachine guns.
A submachine gun (SMG) is a magazine-fed automatic carbine designed to fire handgun cartridges. The term "submachine gun" was coined by John T. Thompson, the inventor of the Thompson submachine gun, to describe its design concept as an automatic firearm with notably less firepower than a machine gun. As a machine gun must fire rifle cartridges to be classified as such, submachine guns are not considered machine guns. The submachine gun was developed during World War I (1914–1918) as a close quarter offensive weapon, mainly for trench raiding. At its peak during World War II (1939–1945), millions of submachine guns were made for assault troops and auxiliaries whose doctrines emphasized close-quarter suppressive fire. New submachine gun designs appeared frequently during the Cold War, especially among special forces, covert operation commandos and mechanized infantrymen. Submachine gun usage for frontline combat decreased in the 1980s and 1990s, and by the early 21st century, submachine guns have largely been replaced by assault rifles, which have a longer effective range, have increased stopping power, and can better penetrate the helmets and body armor used by modern soldiers. However, they are still used by security forces, police tactical units, paramilitary and bodyguards for close-quarters combat because they are "a pistol-caliber weapon that's easy to control, and less likely to overpenetrate the target".
The STEN is a British submachine gun chambered in 9×19mm which was used extensively by British and Commonwealth forces throughout World War II and during the Korean War. The Sten paired a simple design with a low production cost, facilitating mass production to meet the demand for submachine guns.
The StG 44 is a German assault rifle developed during World War II by Hugo Schmeisser. It is also known by its early designations as the MP 43 and MP 44. The StG 44 was an improvement of an earlier design, the Maschinenkarabiner 42(H).
The FG 42 is a selective-fire 7.92×57mm Mauser automatic rifle produced in Nazi Germany during World War II. The weapon was developed specifically for the use of the Fallschirmjäger airborne infantry in 1942 and was used in very limited numbers until the end of the war.
Mauser, originally the Königlich Württembergische Gewehrfabrik, was a German arms manufacturer. Their line of bolt-action rifles and semi-automatic pistols was produced beginning in the 1870s for the German armed forces. In the late 19th and early 20th centuries, Mauser designs were also exported and licensed to many countries, which adopted them as military and civilian sporting firearms. The Gewehr 98 in particular was widely adopted and copied, becoming one of the most copied firearms designs and it is the foundation of many of today's sporting bolt-action rifles. Around 10 millions Gewehr 98 style rifles were produced.
A semi-automatic firearm, also called a self-loading or autoloading firearm, is a repeating firearm whose action mechanism automatically loads a following round of cartridge into the chamber and prepares it for subsequent firing, but requires the shooter to manually actuate the trigger in order to discharge each shot. Typically, this involves the weapon's action utilizing the excess energy released during the preceding shot to unlock and move the bolt, extracting and ejecting the spent cartridge case from the chamber, re-cocking the firing mechanism, and loading a new cartridge into the firing chamber, all without input from the user. To fire again, however, the user must actively release the trigger, and allow it to "reset", before pulling the trigger again to fire off the next round. As a result, each trigger pull only discharges a single round from a semi-automatic weapon, as opposed to a fully automatic weapon, which will shoot continuously as long as the ammunition is replete and the trigger is kept depressed.
A semi-automatic pistol is a repeating handgun that automatically ejects and loads cartridges in its chamber after every shot fired, but only one round of ammunition is fired each time the trigger is pulled. The pistol's fire control group disconnects the trigger mechanism from the firing pin/striker until the trigger has been released and reset manually, unlike the self-cycled firing mechanism in fully automatic pistols.
Blowback is a system of operation for self-loading firearms that obtains energy from the motion of the cartridge case as it is pushed to the rear by expanding gas created by the ignition of the propellant charge.
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 case and insert a new cartridge into the chamber. Energy from the gas is harnessed through either a port in the barrel or a trap at the muzzle. This high-pressure gas impinges on a surface such as a piston head to provide motion for unlocking of the action, extraction of the spent case, ejection, cocking of the hammer or striker, chambering of a fresh cartridge, and locking of the action.
The Heckler & KochP7 is a German 9×19mm semi-automatic pistol designed by Helmut Weldle and produced from 1979 to 2008 by Heckler & Koch GmbH (H&K). The P7M13, a variant of the P7 with a double-stack magazine, was produced until 2000.
The 9×19mm MP 3008 was a German last ditch submachine gun manufactured towards the end of World War II in early 1945.
The Leader T2 MK5 Series firearms were chambered for the 5.56×45mm NATO cartridge and manufactured by Leader Dynamics of Smithfield, NSW, Australia (1978-1982/1983). The Leader was the brainchild of British weapons designer Charles St. George. It was originally a contender for a 5.56 mm Australian military service rifle to replace the then-issued Lithgow L1A1 SLR and Colt M16A1 rifles. What was unique about this endeavor was that Australia had never designed or manufactured its own commercial gas-operated semi-automatic rifle. The rifle was abandoned when the Steyr AUG was adopted for use by the Australian military.
The Volkssturmgewehr is the name of several rifle designs developed by Nazi Germany during the final months of World War II. They share the common characteristic of being greatly simplified as to adapt with the severe lack of resources and industrial capacity in Germany during the final stages of the war. The Volkspistole was a partner program, almost identical, but for pistols instead.
The CETME Model L is a Spanish 5.56×45mm NATO assault rifle developed in the late 1970s at the state-owned small arms research and development establishment CETME located in Madrid. The rifle retains many of the proven design elements the institute had used previously in its CETME Model 58 battle rifles.
The StG 45(M) (abbreviation of Sturmgewehr 45, "Assault Rifle 45") sometimes referred to as the MP 45(M), was a prototype assault rifle developed by Mauser for the Wehrmacht at the end of World War II, using an innovative roller-delayed blowback operating system. It fired the 7.92×33mm Kurz (or "Pistolenpatrone 7.9mm") intermediate cartridge at a cyclic rate of around 450 rounds per minute.
The MKS is a gas-operated, select-fire rifle of the 5.56×45mm NATO caliber and was manufactured in Sweden by Interdynamics AB. It featured a magazine insert that acted as the pistol grip similar to the Uzi submachine gun but was found uncomfortable to handle, therefore it never entered mass production.
The following are terms related to firearms and ammunition topics.
The Type 77 is a 7.62×17 mm Type 64 caliber semi-automatic pistol in service with all branches of the People's Liberation Army (PLA) of the People's Republic of China, People's Armed Police and various Chinese police forces. The Type 77 has been the main sidearm of the PLA for over two decades and is slowly being phased out by the QSZ-92 pistol in both military and police service but is still in widespread use across the country amongst second line military units and provincial police forces. Beginning in 1990, several variants of the Type 77 were developed for the international market.
The Erfurter Maschinenfabrik (ERMA) was a German weapons manufacturer founded in 1922 by Berthold Geipel. Prior to and during World War II it manufactured many firearms, including the Karabiner 98k, the MP40 and other submachine guns.
References
- 1 2 3 Sturmgewehr! From Firepower to Striking Power, Hans-Dieter Handrich, ISBN 0-88935-356-5
- ↑ "Model-Gun-Projekt: Wimmersperg SPZ-L Als Full Scale Modell, Teil 4". 7 February 2021.
- ↑ Geckeler, Alexander (2023-05-22). Die Waffen von Heinrich von Wimmersperg: Eine biographisch-zeitgeschichtliche Dokumentation über den selbständigen Waffen-Konstrukteur (1900 - 1985) (in German). BoD – Books on Demand. ISBN 978-3-7504-4148-4.
- ↑ "Firearm".
- ↑ "Heinrich F. von Wimmersperg Patents". Patentgenius.com. Retrieved 2011-10-16.