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RPK(S)N Night Scope Rail
The RPK (russian: Ручной пулемёт Калашникова/РПК, Ruchnoy Pulemyot Kalashnikova, link=no, English: "Kalashnikov hand-held machine gun"), sometimes retroactively termed the RPK-47, is a Soviet 7.62×39mm light machine gun that was developed by Mikhail Kalashnikov in the early 1960s, in parallel with the AKM assault rifle. It was created to standardize the small arms inventory of the Soviet Army, where it replaced the 7.62×39mm RPD light machine gun. The RPK continues to be used by the armed forces of countries of the former Soviet Union and certain African and Asian nations. The RPK is also manufactured in Bulgaria, Romania and Serbia. Design details Operating mechanism The RPK functions identically to the AK-47. It also uses the same 7.62×39mm ammunition. It has a similar design layout to the Kalashnikov series of rifles, with modifications to increase the RPK's effective range and accuracy, enhance its sustained fire capability, and ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Bipod
A bipod is a V-shaped portable attachment that helps support and steady a device, usually a weapon such as a long gun or a mortar. The term comes from the Latin prefix ''bi-'' and Greek root ''pod'', meaning "two" and "foot" respectively. Bipods are designed to support the weight of the weapon's front portion and barrel, and provide significant stability against unwanted side-to-side movements (i.e. canting) while allowing free movements pivoting around the transverse axis ( pitching). Most modern bipods have foldable and/or telescoping legs, and allow some limited movements around the vertical axis ( panning) and even the longitudinal axis ( tilting). A bipod by itself, with only two supporting legs, is not completely stable and needs to be reinforced by at least one more point of support to be steady, especially against the horizontal shearing force from recoils. This third point of support is typically the buttstock that is firmly pushed/braced against the shooter's body, ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Oxford University Press
Oxford University Press (OUP) is the university press of the University of Oxford. It is the largest university press in the world, and its printing history dates back to the 1480s. Having been officially granted the legal right to print books by decree in 1586, it is the second oldest university press after Cambridge University Press. It is a department of the University of Oxford and is governed by a group of 15 academics known as the Delegates of the Press, who are appointed by the vice-chancellor of the University of Oxford. The Delegates of the Press are led by the Secretary to the Delegates, who serves as OUP's chief executive and as its major representative on other university bodies. Oxford University Press has had a similar governance structure since the 17th century. The press is located on Walton Street, Oxford, opposite Somerville College, in the inner suburb of Jericho. For the last 500 years, OUP has primarily focused on the publication of pedagogical texts and ... [...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 M1 ... [...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 18 ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Mikhail Kalashnikov
Mikhail Timofeyevich Kalashnikov ( rus, Михаи́л Тимофе́евич Кала́шников, p=kɐˈlaʂnʲɪkəf; 10 November 1919 – 23 December 2013) was a Soviet and Russian lieutenant general, inventor, military engineer, writer, and small arms designer. He is most famous for developing the AK-47 assault rifle and its improvements, the AKM and AK-74, as well as the PK machine gun and RPK light machine gun. Kalashnikov was, according to himself, a self-taught tinkerer who combined innate mechanical skills with the study of weaponry to design arms that achieved battlefield ubiquity. Even though Kalashnikov felt sorrow at the weapons' uncontrolled distribution, he took pride in his inventions and in their reputation for reliability, emphasizing that his rifle is "a weapon of defense" and "not a weapon for offense". Early life Kalashnikov was born in the village of Kurya, in present-day Altai Krai, Russia, as the seventeenth child of the 19 children of Aleksandra F ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Russo-Ukrainian War
The Russo-Ukrainian War; uk, російсько-українська війна, rosiisko-ukrainska viina. has been ongoing between Russia (alongside Russian separatist forces in Donbas, Russian separatists in Ukraine) and Ukraine since February 2014. Following Ukraine's Revolution of Dignity, Russia Annexation of Crimea by the Russian Federation, annexed Crimea from Ukraine and supported pro-Russian separatists in the War in Donbas (2014–2022), war in Donbas against Ukrainian government forces; fighting for the first eight years of the conflict also included List of Black Sea incidents involving Russia and Ukraine, naval incidents, Russian–Ukrainian cyberwarfare, cyberwarfare, and Russia–Ukraine relations, heightened political tensions. In February 2022, the conflict saw a major escalation as Russia launched a 2022 Russian invasion of Ukraine, full-scale invasion of Ukraine. In early 2014, pro-Russian Ukrainian president Viktor Yanukovych was ousted from office as a r ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
War In Donbas (2014–2022)
The War in Donbas, russian: Война на Донбассе was an armed conflict in the Donbas region of Ukraine, part of the broader Russo-Ukrainian War. In March 2014, immediately following the Euromaidan protest movement and subsequent Revolution of Dignity, protests by pro-Russian, anti-government separatist groups arose in the Donetsk and Luhansk oblasts of Ukraine, collectively called the Donbas. These demonstrations began around the same time as Russia's annexation of Crimea, and were part of wider pro-Russian protests across southern and eastern Ukraine. Declaring the Donetsk and Luhansk People's Republics (DPR and LPR, respectively), armed Russian-backed separatist groups seized government buildings throughout the Donbas, leading to armed conflict with Ukrainian government forces. Ukraine launched a military counter-offensive against pro-Russian forces in April 2014, called the "Anti-Terrorist Operation" (ATO) from 2014 until it was renamed the "Joint Forces ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
War In Iraq (2013–2017)
The War in Iraq was an armed conflict between Iraq and its allies and the Islamic State (also known as ISIS or ISIL) which began in 2013 and ended in December 2017. Following December 2013, the insurgency escalated into full-scale guerrilla warfare following clashes in the cities of Ramadi and Fallujah in parts of western Iraq, and culminated in the Islamic State offensive into Iraq in June 2014, which lead to the capture of the cities of Mosul, Tikrit and other cities in western and northern Iraq by the Islamic State. Between 4–9 June 2014, the city of Mosul was attacked and later fell; following this, Prime Minister Nuri al-Maliki called for a national state of emergency on 10 June. However, despite the security crisis, Iraq's parliament did not allow Maliki to declare a state of emergency; many legislators boycotted the session because they opposed expanding the prime minister's powers. Ali Ghaidan, a former military commander in Mosul, accused al-Maliki of being the one ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Libyan Crisis
Demographics of Libya is the demography of Libya, specifically covering population density, ethnicity, education level, health of the populace, economic status, and religious affiliations, as well as other aspects of the Libyan population. The Libyan population resides in the country of Libya, a territory located on the Mediterranean coast of North Africa, to the west of and adjacent to Egypt. Libyans live in Tripoli. It is the capital of the country and first in terms of urban population, as well as Benghazi, Libya's second largest city. History Historically Berber, over the centuries, Libya has been occupied by the Phoenicians, Greeks, Romans, Arabs, and Italians. The Phoenicians had a big impact on Libya. Many of the coastal towns and cities of Libya were founded by the Phoenicians as trade outposts within the southern Mediterranean coast in order to facilitate the Phoenician business activities in the area. Starting in the 8th century BC, Libya was under the rule of the ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Iraq War
{{Infobox military conflict , conflict = Iraq War {{Nobold, {{lang, ar, حرب العراق (Arabic) {{Nobold, {{lang, ku, شەڕی عێراق (Kurdish languages, Kurdish) , partof = the Iraq conflict (2003–present), Iraq conflict and the War on terror , image = Iraq War montage.png , image_size = 300px , caption = Clockwise from top: US troops at Uday Hussein, Uday and Qusay Hussein's hideout; insurgents in northern Iraq; the Firdos Square statue destruction, toppling of the Saddam Hussein statue in Firdos Square , date = {{ubl, {{Start and end dates, 2003, 3, 20, 2011, 12, 18, df=yes({{Age in years, months and days, 2003, 03, 19, 2011, 12, 18) , place = Iraq , result = * 2003 invasion of Iraq, Invasion and History of Iraq (2003–11), occupation of Iraq * Overthrow of Arab Socialist Ba'ath Party – Iraq Region, Ba'ath Party government * Execution of Saddam Hussein in 2006 * Re ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Cambridge University Press
Cambridge University Press is the university press of the University of Cambridge. Granted letters patent by Henry VIII of England, King Henry VIII in 1534, it is the oldest university press A university press is an academic publishing house specializing in monographs and scholarly journals. Most are nonprofit organizations and an integral component of a large research university. They publish work that has been reviewed by schola ... in the world. It is also the King's Printer. Cambridge University Press is a department of the University of Cambridge and is both an academic and educational publisher. It became part of Cambridge University Press & Assessment, following a merger with Cambridge Assessment in 2021. With a global sales presence, publishing hubs, and offices in more than 40 Country, countries, it publishes over 50,000 titles by authors from over 100 countries. Its publishing includes more than 380 academic journals, monographs, reference works, school and uni ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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