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Heckler & Koch Weapon Systems

Heckler & Koch is a German small-arms manufacturer based in Oberndorf am Neckar. The catalog uses this profile to group the company's infantry-weapon entries and to provide sourced context for its role as a major military and law-enforcement firearms builder.

3 weapon systems

Heckler & Koch is a German firearms manufacturer founded in 1949 and based in Oberndorf am Neckar, Baden-Württemberg. Its public company materials emphasize small arms for military and law-enforcement users, with the brand now strongly associated with NATO and European procurement markets.

In this catalog, the builder archive centers on the Heckler & Koch entries connected through the manufacturer facet, especially the G3, G36, and HK21 families. Those systems show the company's range from battle rifles to assault rifles and belt-fed machine guns.

Military and law-enforcement firearmsService rifles and carbinesSubmachine gunsMachine gunsPistols

Notable Systems

G3

Catalog entry for Heckler & Koch's 7.62 mm battle-rifle family.

G36

Catalog entry for the company's 5.56 mm assault-rifle family.

HK21 general-purpose machine gun

Catalog entry for the company's belt-fed machine-gun family derived from the G3 platform.

Builder History

1949-12-28
Founded in Oberndorf am Neckar
Commons category data and company history sources place Heckler & Koch's inception in late 1949 in Oberndorf am Neckar, establishing the brand's long-running connection to the German small-arms industry.
Sources: Heckler & Koch home, Wikimedia Commons category
2014-03-18
H&K AG incorporation recorded
The company's 2025 group accounts say the articles of incorporation are dated March 18, 2014 and identify H&K AG as the parent company of the group.
Sources: 2025 Group Accounts

Website links

Official website Company overview Imprint Investor relations overview Military & Law Enforcement overview

Heckler & Koch appears publicly as both H&K AG and Heckler & Koch GmbH at the Oberndorf site; this profile collapses those labels into one builder brand and uses the legal-entity references only for address and corporate-structure context.

Builder Sources

Heckler & Koch homePublisher: Heckler & Koch | Note: Supports the brand's identity as a small-arms manufacturer, its 1949 establishment, and its current military and law-enforcement product positioning. | Accessed: 2026-06-21
Company overviewPublisher: Heckler & Koch | Note: Supports the company's history page and its worldwide corporate footprint. | Accessed: 2026-06-21
ImprintPublisher: Heckler & Koch | Note: Supports the Oberndorf am Neckar address and the public naming of H&K AG and Heckler & Koch GmbH at the same site. | Accessed: 2026-06-21
2025 Group AccountsPublisher: Heckler & Koch | Note: Supports the H&K AG parent-company structure and the 2014 articles-of-incorporation date cited in the timeline. | Accessed: 2026-06-21
Military & Law Enforcement overviewPublisher: Heckler & Koch | Note: Supports the company's current small-arms portfolio framing across military and law-enforcement product lines. | Accessed: 2026-06-21
Wikimedia Commons factory photoPublisher: Wikimedia Commons | Note: Supports the reusable Oberndorf facility image; the file page identifies the photo as Heckler & Koch in Oberndorf-Lindenhof, Germany and licenses it CC BY-SA 3.0. | Accessed: 2026-06-21
Wikimedia Commons categoryPublisher: Wikimedia Commons | Note: Supports the builder-name aliases, headquarters location, and 1949 inception data shown on the Commons category page for Heckler & Koch. | Accessed: 2026-06-21

Heckler & Koch G36, 5.56 mm assault rifle, Infantry Weapons

Yemen Civil WarHeckler & Koch G365.56 mm assault rifleBuilt in: Germany; Saudi Arabia under licenseThe Heckler & Koch G36 is a German 5.56 mm assault rifle built around a polymer receiver, short-stroke gas operation, and modular rifle, carbine, and compact variants. In the Yemen Civil War record, it appears through reporting on Saudi-licensed German-designed rifles that were issued to Hadi-aligned forces and then diverted or sold into militant hands, including AQAP imagery.

HK21 general-purpose machine gun, 7.62 mm general-purpose machine gun, Infantry Weapons

Boko Haram InsurgencyHK21 general-purpose machine gun7.62 mm general-purpose machine gunBuilt in: West Germany / GermanyThe HK21 is a Heckler & Koch belt-fed 7.62x51 mm NATO general-purpose machine gun derived from the G3 rifle family. In the Boko Haram Insurgency, Nigerian military reporting and ISWAP media analysis document HK21-pattern guns among weapons recovered from, or displayed by, Boko Haram and ISWAP forces, making it a small-unit fire-support weapon in the Lake Chad conflict archive.

Heckler & Koch G3, 7.62 mm select-fire battle rifle, Infantry Weapons

Boko Haram Insurgency, Sudan War +1 moreHeckler & Koch G37.62 mm select-fire battle rifleBuilt in: Germany; licensed production in multiple countries including Saudi Arabia, Turkey, Pakistan, Iran, Norway, Portugal, Sweden, Greece, Mexico, Brazil, and MyanmarThe Heckler & Koch G3 is a roller-delayed 7.62 x 51 mm NATO battle rifle developed in West Germany from the CETME rifle family. Its long service life and licensed production have left G3-pattern rifles in multiple conflict arsenals, including documented Boko Haram small-arms holdings in the Lake Chad basin, RSF-held modified rifles in Sudan, and Saudi-linked G3 rifles reported in Yemen's fragmented arms environment.