Manufacturer catalog

Heckler & Koch

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.

6 weapons

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 catalog page 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

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

G3

5.56 mm assault rifle

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

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

G36

5.56 mm assault rifle

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

Manufacturer History

  1. 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

  2. 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 websiteCompany overviewImprintInvestor relations overviewMilitary & 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.

Manufacturer 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

Produced weapons

Category

Infantry Weapons

Portable weapons used by soldiers and small units.

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Heckler & Koch G36, 5.56 mm assault rifle, Infantry Weapons2006 Criminal Violence in Mexico, 2013 War in Iraq +1 moreHeckler & 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 reinforced-polymer receiver, indirect gas operation, a rotating bolt head, folding stock, and modular rifle, carbine, compact, and export configurations. Its cataloged conflict record spans Mexican police firing during the 2014 Iguala operation, German support to Kurdish Peshmerga forces fighting Islamic State in Iraq, and Saudi-licensed rifles diverted from Hadi-aligned forces into militant hands in Yemen.
HK21 general-purpose machine gun, 7.62 mm general-purpose machine gun, Infantry Weapons2009 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 2009 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 Lake Chad conflict coverage.
Heckler & Koch G3, 7.62 mm select-fire battle rifle, Infantry Weapons2009 Boko Haram Insurgency, 2023 Sudan War +2 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-linked evidence in Sudan, Saudi-linked G3 rifles reported in Yemen, and G3/BA64 rifles still circulating in Myanmar's post-2021 war.
40 mm automatic grenade launcher, 40 mm automatic grenade launcher, Infantry Weapons2001 War in Afghanistan, 2003 Iraq War +2 more40 mm automatic grenade launcher40 mm automatic grenade launcherBuilt in: Multiple countriesThe 40 mm automatic grenade launcher class covers belt-fed crew-served grenade machine guns such as the U.S. Mk 19 Mod 3, ST Engineering 40AGL Mk2, Heckler & Koch GMG, and Spain's LAG 40 family. Direct reporting documents Mk 19 use by U.S. forces in Afghanistan and Iraq, coalition partner training against Islamic State, and Ukrainian frontline employment in the Russia-Ukraine War.

Category

Support Equipment

Transport, logistics, recovery, command, engineering, and other enabling equipment.

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DM6 linked ammunition belt, German disintegrating metallic link ammunition belt, Support EquipmentDM6 linked ammunition beltGerman disintegrating metallic link ammunition beltBuilt in: West Germany / GermanyThe DM6 linked ammunition belt is a German 7.62x51 mm NATO disintegrating metallic link belt treated in HK21/HK21E references as the German counterpart to the U.S. M13 link. Small Arms Review documents HK21E operation with American M13 or German DM6 disintegrating links, while a 1998 Heckler & Koch parts list and current HK21E starter-tab listings place the belt in the HK21E feed-system accessory set rather than as an independently documented conflict item.