page_title: Heckler & Koch MP5
section_title: Barrel accessories
hierarchical_section_title: Heckler & Koch MP5 / Design details / Accessories / Barrel accessories
caption_attribution_description: Deutsch: Schalldämpfer für Maschinenpistolen der Heckler &amp; Koch GmbH. Die Zeichnung stellt insb. auf die MP5SD ab, bei der der Lauf über Bohrungen verfügt, so dass keine Unterschallmunition verwendet werden mussEnglish: Silencer for submachinegun from Heckler &amp; Koch (&gt;MP5)
context_page_description: The MP5 is a 9x19mm Parabellum submachine gun, developed in the 1960s by a team of engineers from the German small arms manufacturer Heckler & Koch GmbH of Oberndorf am Neckar. There are over 100 variants of the MP5, including some semi-automatic versions.
  The MP5 is one of the most widely used submachine guns in the world, having been adopted by 40 nations and numerous military, law enforcement, intelligence, and security organizations. It was widely used by SWAT teams in North America, but has since been supplanted by M16 variants in the 21st century.
  In 1999, Heckler & Koch developed the Heckler & Koch UMP, the MP5's successor; both are available as of 2019, but the UMP has not met the same level of success.
context_section_description: Threading is provided at the muzzle to work with certain muzzle devices made by Heckler & Koch, including: a slotted flash suppressor, blank firing attachment (marked with a red-painted band denoting use with blank ammunition only), an adapter for launching rifle grenades (for use with rifle-style grenades with an inside diameter of 22 mm using a special grenade launching cartridge) and a cup-type attachment used to launch tear gas grenades. An optional three-lugged barrel is also available for mounting a quick-detachable suppressor.
caption: Cross section diagram of an MP5SD early model suppressor, from 1971 patent. Vented barrel surrounded by metal mesh packing in the expansion chambers, followed by conical baffles in the forward chambers.
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