The Heckler & Koch HK4 is a West German semi-automatic pocket pistol, and the weapon that marked Heckler & Koch's entry into pistol manufacturing, introduced in either 1964 or 1967 depending on the source. Built with a durable, lightweight hard anodized aluminum alloy frame and a straight blowback, unlocked breech action, it was distinctive for letting a shooter swap barrels to fire different cartridges, including .22 Long Rifle, .25 ACP, .32 ACP and .380 ACP, without tools. Weighing 480 grams and feeding from 7 or 8 round magazines, it laid the groundwork for the company's later pistol designs. This description is adapted from Wikipedia contributors under CC BY-SA 4.0; changes were made. https://creativecommons.org/licenses/by-sa/4.0/
Facts
Classification
Service StatusSourced to the subject's own account Weapon Class Introduced Year Weapon Class
Weapon Class (category) In the Other Atlases
Sources
1. Wikidata: Heckler & Koch HK4
Wikidata Q383837, class allow-list match (w-wdresolver-0926)
2. Heckler & Koch HK4 (Wikidata)
WikidataWikidata Q383837 (P729 service entry): 1967Quote, Wikidata Q383837 (P729 service entry): 1967
Service entry (Wikidata property P729): 1967.
3. Wikipedia: Heckler & Koch HK4
Caliber attribute (heckler-and-koch-hk4)Quote, Caliber attribute (heckler-and-koch-hk4)
Built with a durable, lightweight hard anodized aluminum alloy frame and a straight blowback, unlocked breech action, it was distinctive for letting a shooter swap barrels to fire different cartridges, including .22 Long Rifle, .25 ACP, .32 ACP and .380 ACP, without tools.
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