|
Type 81 Assault Rifle
The Type 81 (; literally; "Type 81 Automatic Rifle") is a Chinese-designed second-generation, selective-fire, gas-operated 7.62×39mm assault rifle based on Kalashnikov and SKS actions adopted by the People's Liberation Army (PLA) and has been in service since the mid-1980s. It is a small arms family that consist of the Type 81, the Type 81-1 and the Type 81 LMG. History The PLA's first attempt to replace their aging SKS and Type 56 assault rifle (a Chinese license produced AK-47) was the Type 63 assault rifle. This weapon, however, ended in failure due to a variety of issues resulting in a switch back to the weapons it intended to replace. The beginning of the Sino-Vietnamese border conflicts showed the PLA that their SKS and Type 56s were not as effective as they thought, causing their small arms development program to spring back to life. The weapon was introduced into PLA service in 1981 but did not become widely distributed until the late 1980s. It replaced the SKS, ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
War In Afghanistan (2001–present)
War in Afghanistan, Afghan war, or Afghan civil war may refer to: * Conquest of Afghanistan by Alexander the Great (330 BC – 327 BC) * Muslim conquests of Afghanistan (637–709) *Conquest of Afghanistan by the Mongol Empire (13th century), see also Mongol invasion of Central Asia (1216–1222) *Mughal conquests in Afghanistan (1526) * Afghan Civil War (1863–1869), a civil war between Sher Ali Khan and Mohammad Afzal Khan's faction after the death of Dost Mohammad Khan * Anglo−Afghan Wars (first involvement of the British Empire in Afghanistan via the British Raj) ** First Anglo−Afghan War (1839–1842) ** Second Anglo−Afghan War (1878–1880) ** Third Anglo−Afghan War (1919) * Panjdeh incident (1885), first major incursion into Afghanistan by the Russian Empire during the Great Game (1830–1907) with the United Kingdom of Britain and Ireland * First Afghan Civil War (1928–1929), revolts by the Shinwari and the Saqqawists, the latter of whom managed to take over ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Drum Magazine
A drum magazine is a type of high-capacity magazine for firearms. Cylindrical in shape (similar to a drum), drum magazines store rounds in a spiral around the center of the magazine, facing the direction of the barrel. Drum magazines are contrasted with more common box-type magazines, which have a lower capacity and store rounds flat. The capacity of drum magazines varies, but is generally between 50 and 100 rounds. History and usage 1800s The first drum magazine was patented in 1853 by Charles N. Tyler. 1900s Pistols and rifles A drum magazine was built for the Luger (Pistole 1908) pistol; although the Luger usually used an 8-cartridge box magazine, the optional 32-cartridge ''Schneckenmagazine'' ("snail magazine") was also sometimes used. Moubray G. Farquhar and Arthur H. Hill applied for a British patent for "A New or Improved Cartridge Magazine for Small Arms and Machine Guns" in 1915 for their Farquhar–Hill rifle, and it was accepted in 1919. Submachine guns In ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Box Magazine
A magazine is an ammunition storage and feeding device for a repeating firearm, either integral within the gun (internal/fixed magazine) or externally attached (detachable magazine). The magazine functions by holding several cartridges within itself and sequentially pushing each one into a position where it may be readily loaded into the barrel chamber by the firearm's moving action. The detachable magazine is sometimes colloquially referred to as a " clip", although this is technically inaccurate since a clip is actually an accessory device used to help load ammunition into a magazine. Magazines come in many shapes and sizes, from tubular magazines on lever-action and pump-action firearms that may tandemly hold several rounds, to detachable box and drum magazines for automatic rifles and light machine guns that may hold more than one hundred rounds. Various jurisdictions ban what they define as " high-capacity magazines". Nomenclature With the increased use of se ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Meter
The metre (British spelling) or meter (American spelling; see spelling differences) (from the French unit , from the Greek noun , "measure"), symbol m, is the primary unit of length in the International System of Units (SI), though its prefixed forms are also used relatively frequently. The metre was originally defined in 1793 as one ten-millionth of the distance from the equator to the North Pole along a great circle, so the Earth's circumference is approximately km. In 1799, the metre was redefined in terms of a prototype metre bar (the actual bar used was changed in 1889). In 1960, the metre was redefined in terms of a certain number of wavelengths of a certain emission line of krypton-86. The current definition was adopted in 1983 and modified slightly in 2002 to clarify that the metre is a measure of proper length. From 1983 until 2019, the metre was formally defined as the length of the path travelled by light in a vacuum in of a second. After the 2019 rede ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Variants
Variant may refer to: In arts and entertainment * ''Variant'' (magazine), a former British cultural magazine * Variant cover, an issue of comic books with varying cover art * ''Variant'' (novel), a novel by Robison Wells * "The Variant", 2021 episode of the TV series ''Loki'' ** Sylvie (Marvel Cinematic Universe), a character who was originally referred to as the Variant In gaming *Chess variant, a game derived from, related to or similar to chess in at least one respect *List of poker variants * List of ''Tetris'' variants In mathematics and computing *Variant (logic), a term or formula obtained from another one by consistently renaming all variables * Variant symlinks, a symbolic link to a file that has a variable name embedded in it * Variant type, in programming languages * Z-variant, unicode characters that share the same etymology but have slightly different appearances Computer security * In network security, varieties of computer worms are called variants. In bi ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Bangladesh Ordnance Factories
, type = State-owned enterprise , location = , founded = , location_city = Gazipur, Dhaka Division , location_country = Bangladesh , area_served = Bangladesh , key_people = Major General Sayed Tareq Hussain (Commandant) , products = Firearms, Artillery, Fuses, Detonators, Explosives. , revenue = , operating_income = , net_income = , owner = Bangladesh Army , num_employees = , parent = , subsid = , division = , homepage = , footnotes = Bangladesh Ordnance Factories (BOF) is the largest industrial supplier of the Bangladesh Army. Situated in Gazipur, it produces arms, ammunition, and equipment for the Bangladesh Armed Forces. History The establishment of a rifle factory and small-arms ammunition plant for Pakistan Army began in 1968 with the technical and financial assistance of the People's Republic of China. The facility was inaugurated on 6 April 1970. Although it suffered considerable damage during the Bangladesh Liberation War in 1971, i ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Users
Ancient Egyptian roles * User (ancient Egyptian official), an ancient Egyptian nomarch (governor) of the Eighth Dynasty * Useramen, an ancient Egyptian vizier also called "User" Other uses * User (computing) A user is a person who utilizes a computer or network service. A user often has a user account and is identified to the system by a username (or user name). Other terms for username include login name, screenname (or screen name), acco ..., a person (or software) using an information system * User (telecommunications), an entity using a telecommunications system * User, a slang term for a freeloader See also * Drug user (other), a person who uses drugs * End user, a user of a commercial product or service {{disambiguation ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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 rather than lugs on the bolt head like the Mauser M 98 or M16. The first rotating bolt rifle with two lugs on the bolt head was the Lebel Model 1886 rifle. The concept has been implemented on most firearms chambered for high powered cartridges since the 20th century. Design Ferdinand Ritter von Mannlicher, who had earlier developed a non-rotating bolt straight-pull rifle, developed the Steyr-Mannlicher M1895, a straight-pull rifle with a rotating bolt, which was issued to the Austro-Hungarian Army. Mannlicher then developed the M1893 auto rifle which had a screw delayed bolt and later the Mannlicher M1900 operated by a gas piston. This was an inspiration for later gas operated, semi-automatic and selective fire firearms (such as the ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Gas-operated Reloading
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. History The first mention of using a gas piston in a single-shot breech-loading rifle comes from 1856, by the German Edward Lindner who patented his invention in the United States and Britain. In 1866, Englishman William Curtis filed the first patent on a gas-operated repeating rifle, but subsequently failed to develop that idea further. Between 1 ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Norinco
China North Industries Group Corporation Limited, doing business internationally as Norinco Group (North Industries Corporation), and known within China as China Ordnance Industries Group Corporation Limited (), is a Chinese state-owned defense corporation that manufactures a diverse range of commercial and military products. Norinco Group is one of the world's largest defense contractors. The company's subsidiary, China North Industries Corporation (), or simply Norinco, markets Norinco Group's products internationally, and is also involved in domestic civil construction and military defense projects. History Established in 1980 with the approval of the State Council of China, Norinco is an enterprise group engaged in both products and capital operation, integrated with research and development, manufacturing, marketing and services. Norinco mainly deals with defense products, petroleum & mineral resources development, international engineering contracting, optronic products, ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Internal Conflict In Myanmar
Insurgencies have been ongoing in Myanmar since 1948, the year the country, then known as Burma, gained independence from the United Kingdom. The conflict has largely been ethnic-based, with several ethnic armed groups fighting Myanmar's armed forces, the Tatmadaw, for self-determination. Despite numerous ceasefires and the creation of autonomous self-administered zones in 2008, many armed groups continue to call for independence, increased autonomy, or the federalisation of the country. The conflict is the world's longest ongoing civil war, having spanned more than seven decades. Background In 1940, during World War II, a group of young Burmese intellectuals left for Japan to receive military training in preparation for an anti-colonial struggle against the British. This group came to be known as the Thirty Comrades, and upon returning to Burma in 1941 they established the Burma Independence Army (BIA) to fight against the Allies. Upon their capture of Rangoon i ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
