View source for Rheinmetall RMK30

{{Infobox Weapon
| name               = Rheinmetall RMK30
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| origin             = {{flagcountry|Germany}}
| type               = [[Autocannon]]
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'''RMK30''' (Rückstoßfreie MaschinenKanone (Kaliber) 30; recoilless machine gun) is a [[recoilless rifle|recoilless]] [[30 mm caliber]] [[autocannon]] firing caseless 30 x 250 mm ammunition cartridges. The gun was developed by the German company [[Mauser]], which is now a subsidiary of [[Rheinmetall]] Detec AG. RMK30 is a three-chamber [[revolver cannon]], the revolver and firing mechanism are driven by an [[electric motor]], allowing variable rates of fire of up to 300 rounds/min. Part of the propellant gases is ejected to the rear of the cannon, compensating for the recoil and allowing lightweight and less rigid mounts.

RMK30 cannons have been proposed as upgrade for the [[Bundeswehr]]'s (German armed forces) [[Eurocopter Tiger|Tiger UHT]] attack helicopters. The UHT version currently lacks a gun, since the [[German Army]] was not happy with the recoil, accuracy and the range of the French [[GIAT 30]] mm cannon which is fitted to other Tiger versions.

An unusual study suggests mounting an RMK30 gun in a retractable mast on a [[Type 212 submarine]]. Such masts would extend the capabilities of [[submarine]]s, which currently lack appropriate means to fight small surface targets or just give warning shots.

== See also ==

* [[List of artillery]]
* [[List of artillery by country#Germany|Germany]]

==References==
* [http://www.rheinmetall-detec.com/index.php?fid=1506&lang=3&pdb=1 Manufacturer's page]

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{{Primarysources|date=September 2007}}

[[Category:30 mm artillery]]
[[Category:Aircraft guns]]
[[Category:Automatic cannons]]
[[Category:Modern artillery of Germany]]
[[Category:Rheinmetall|RMK30]]
[[Category:Modern German weapons]]
[[de:RMK 30]]