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A machine gun (MG) is a fully automatic and rifled firearm designed for sustained direct fire. Automatic firearms of 20 mm (0.79 in) caliber or more are usually classified as autocannons rather than machine guns.
History, Modern overview & Operation
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machine gun guns firing fire cannon shots minute war used first weapon automatic heavy times weapons also century barrels produced
| Subject | Predicate | Object | Confidence | Src |
|---|---|---|---|---|
| volley guns like the Nordenfelt gun.Machine guns are used against infantry | instance of | This definition excludes most early manually operated repeating arms the Gatling gun and | 0.80 | text |
| low-flying aircraft | instance of | This definition excludes most early manually operated repeating arms the Gatling gun and | 0.80 | text |
| small boats | instance of | This definition excludes most early manually operated repeating arms the Gatling gun and | 0.80 | text |
| lightly/unarmored land vehicles | instance of | This definition excludes most early manually operated repeating arms the Gatling gun and | 0.80 | text |
| and can provide suppressive fire | instance of | This definition excludes most early manually operated repeating arms the Gatling gun and | 0.80 | text |
| technicals to provide heavy mobile firepower | instance of | They are commonly mounted on fast attack vehicles | 0.80 | text |
| armored vehicles such as tanks for engaging targets too small to justify the use of the primary weaponry or too fast to effectively engage with it | instance of | They are commonly mounted on fast attack vehicles | 0.80 | text |
| and on aircraft as defensive armament or for strafing ground targets | instance of | They are commonly mounted on fast attack vehicles | 0.80 | text |
| though on fighter aircraft true machine guns have mostly been supplanted by large-caliber rotary guns.Although subdivided into | instance of | They are commonly mounted on fast attack vehicles | 0.80 | text |
| the Kalthoff repeater | instance of | lever-action repeating rifles | 0.80 | text |
| Cookson repeater were made in small quantities in the 17th century | instance of | lever-action repeating rifles | 0.80 | text |
| the Nordenfelt | instance of | enabling a much higher rate of fire than was possible using earlier designs | 0.80 | text |
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