Firearms

Heckler & Koch HK53 5.56 NATO 8.9-inch

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Specifications

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Notable Variants

Aftermarket Ecosystem

Historically Significant Examples

Serial Number Data

Production data from factory records and collector research. Year ranges are approximate for pre-1968 firearms.

Years	Serial Range	Count	Factory	Country	Confidence

Heckler & Koch HK53, ultra-compact roller-delayed 5.56 NATO carbine with 8.9-inch barrel. SBR-class HK33 variant.

Type: Rifle

Action: Semi-Automatic

Caliber: 5.56 NATO

Capacity: 25

Year introduced: 1975, Germany

Weight: 6 oz

Status: Discontinued

Intended use: Collector, Tactical