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| The coffee-mill gun, utilized during the Civil War, introduced automatic loading but retained a single barrel, distinguishing it functionally from modern machine guns as it was hand-powered rather than cartridges. | The coffee-mill gun, utilized during the Civil War, introduced automatic loading but retained a single barrel, distinguishing it functionally from modern machine guns as it was hand-powered rather than cartridges. |
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| In 1861, Richard Jordan Gatling patented the [[https://www.nuwireinvestor.com/?s=Gatling|Gatling]] gun, which marked a significant advancement in automatic firearms. This design featured machine loading of prepared cartridges and a hand-operated crank for sequential high-speed firing, offering controlled, sequential automatic fire. Although initially limited in use during the American Civil War, various armies progressively refined and widely adopted Gatling guns until the early 1900s, when they were replaced by lighter and more cost-effective recoil-operated machine guns such as the Maxim gun. The Gatling’s multiple barrels enabled more sustained fire than early air-cooled, recoil-operated machine guns, but advancements in recoil-operated designs ultimately led to their obsolescence. It would be several decades before the concept of multi-barrel rapid-fire guns resurfaced in extremely high-rate-of-fire weapons such as miniguns and automatic aircraft cannons. | In 1861, Richard Jordan Gatling patented the Gatling gun, which marked a significant advancement in automatic firearms. This design featured machine loading of prepared cartridges and a hand-operated crank for sequential high-speed firing, offering controlled, sequential automatic fire. Although initially limited in use during the American Civil War, various armies progressively refined and widely adopted Gatling guns until the early 1900s, when they were replaced by lighter and more cost-effective recoil-operated machine guns such as the Maxim gun. The Gatling’s multiple barrels enabled more sustained fire than early air-cooled, recoil-operated machine guns, but advancements in recoil-operated designs ultimately led to their obsolescence. It would be several decades before the concept of multi-barrel rapid-fire guns resurfaced in extremely high-rate-of-fire weapons such as miniguns and automatic aircraft cannons. |
| Maxim Machine Guns | Maxim Machine Guns |
| The first true [[https://machineguns.us/|machine gun]], invented in 1881 by Hiram Maxim, revolutionized warfare with its innovative design. The "Maxim gun" utilized the recoil energy from the previously fired bullet to facilitate reloading, achieving a significantly higher fire rate than earlier hand-powered mechanisms. Maxim’s invention also incorporated water cooling, utilizing a water jacket around the barrel to mitigate overheating. Widely adopted and deployed on all fronts during World War I, the Maxim gun and its derivatives proved superior to earlier Gatling guns, requiring fewer crew members, being lighter, and more maneuverable. | The first true [[https://machineguns.us/|machine gun]], invented in 1881 by Hiram Maxim, revolutionized warfare with its innovative design. The "Maxim gun" utilized the recoil energy from the previously fired bullet to facilitate reloading, achieving a significantly higher fire rate than earlier hand-powered mechanisms. Maxim’s invention also incorporated water cooling, utilizing a water jacket around the barrel to mitigate overheating. Widely adopted and deployed on all fronts during World War I, the Maxim gun and its derivatives proved superior to earlier Gatling guns, requiring fewer crew members, being lighter, and more maneuverable. |
| While most [[https://machineguns.us/product/fn-p90/|machine guns]] are belt-fed, some light variants utilize drum or box magazines, and specific vehicle-mounted models are hopper-fed. Additionally, automatic weapons are classified based on bullet size and firing mechanism, distinguishing between closed-bolt and open-bolt systems. Firearms employing pistol-caliber ammunition are termed machine pistols or submachine guns. At the same time, selective-fire rifles with full-power or reduced-power rifle cartridges are respectively labeled automatic rifles or assault rifles. | While most [[https://machineguns.us/product/fn-p90/|machine guns]] are belt-fed, some light variants utilize drum or box magazines, and specific vehicle-mounted models are hopper-fed. Additionally, automatic weapons are classified based on bullet size and firing mechanism, distinguishing between closed-bolt and open-bolt systems. Firearms employing pistol-caliber ammunition are termed machine pistols or submachine guns. At the same time, selective-fire rifles with full-power or reduced-power rifle cartridges are respectively labeled automatic rifles or assault rifles. |
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| Assault rifles, bridging the gap between submachine guns and traditional rifles, offer semi-automatic, burst, and fully automatic firing modes. However, the term "assault rifle" holds legal significance in states like California, where specific semi-automatic firearms are deemed "assault weapons" under state law. Nevertheless, proponents of gun rights view the term "assault weapon" pejoratively when applied to civilian firearms, a usage less prevalent outside the United States. | Assault rifles, bridging the gap between submachine guns and traditional rifles, offer semi-automatic, burst, and fully automatic firing modes. However, the term "assault rifle" holds legal significance in states like California, where specific semi-automatic firearms are deemed "assault weapons" under state law. Nevertheless, [[https://www.behance.net/search/projects/?sort=appreciations&time=week&search=proponents|proponents]] of gun rights view the term "assault weapon" pejoratively when applied to civilian firearms, a usage less prevalent outside the United States. |
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| In ground combat, machine guns provide suppressive fire, compelling adversaries to seek cover and diminish their offensive capabilities, halting enemy advances, or facilitating safer engagements for friendly forces. Light machine guns often feature rudimentary iron sights, with a common aiming practice involving alternating solid and tracer rounds to aid in trajectory visualization and fire direction. | In ground combat, machine guns provide suppressive fire, compelling adversaries to seek cover and diminish their offensive capabilities, halting enemy advances, or facilitating safer engagements for friendly forces. Light machine guns often feature rudimentary iron sights, with a common aiming practice involving alternating solid and tracer rounds to aid in trajectory visualization and fire direction. |
| Machine pistols and submachine guns, such as the "grease gun" from World War II, the MAC-10, and the Uzi, typically operate on the blowback principle. | Machine pistols and submachine guns, such as the "grease gun" from World War II, the MAC-10, and the Uzi, typically operate on the blowback principle. |
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| Most assault rifles and squad automatic weapons utilize gas operations. Variants like the AR-15/M16 [[https://www.flickr.com/search/?q=integrate|integrate]] the piston with the bolt, while others, such as the AR18 and AK patterns, connect the piston to a bolt carrier that unlocks and operates the bolt. | Most assault rifles and squad automatic weapons utilize gas operations. Variants like the AR-15/M16 integrate the piston with the bolt, while others, such as the AR18 and AK patterns, connect the piston to a bolt carrier that unlocks and operates the bolt. |
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| Recoil-actuated machine guns, like the M2 .50 and Browning .50, rely on recoil to unlock and operate the action. These are identified by a substantial cocking lever used to feed the first round. | Recoil-actuated machine guns, like the M2 .50 and Browning .50, rely on recoil to unlock and operate the action. These are identified by a substantial cocking lever used to feed the first round. |
| The adequacy of existing designs has hampered conventional machine gun advancement for most purposes, although notable progress is being made in anti-armor and antimissile weaponry. | The adequacy of existing designs has hampered conventional machine gun advancement for most purposes, although notable progress is being made in anti-armor and antimissile weaponry. |
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| Electronically controlled machine guns boasting ultrahigh rates of fire, exemplified by Metal Storm’s weapons, may find niche applications. However, current small-caliber variants of this nature have seen limited use due to their weight limitations?too light for influential anti-vehicle roles yet too heavy, especially when factoring in ammunition requirements for individual soldiers. The trend toward increased reliability and decreased mass relative to power output is expected to persist. | Electronically controlled machine guns boasting ultrahigh rates of fire, exemplified by Metal Storm’s weapons, may find niche applications. However, current small-caliber variants of this nature have seen limited use due to their weight limitations?too light for influential anti-vehicle roles yet too heavy, especially when [[https://slashdot.org/index2.pl?fhfilter=factoring|factoring]] in ammunition requirements for individual soldiers. The trend toward increased reliability and decreased mass relative to power output is expected to persist. |
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| One example is the XM214 minigun "six pack" developed by General Electric, featuring six barrels and firing at 4000 rounds per minute. Despite its impressive specs, this weapon weighs 85 pounds and offers limited penetration power, illustrating the challenges of balancing complexity, weight, and effectiveness in modern machine gun design. | One example is the XM214 minigun "six pack" developed by General Electric, featuring six barrels and firing at 4000 rounds per minute. Despite its impressive specs, this weapon weighs 85 pounds and offers limited penetration power, illustrating the challenges of balancing complexity, weight, and effectiveness in modern machine gun design. |
