Firearms

Heckler & Koch HK 300

Specifications

About

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

Unique roller-delayed blowback rimfire semi-auto in .22 WMR. Applied HK military technology to a rimfire cartridge, resulting in exceptional accuracy and reliability.

Type: Rifle

Action: Semi-Automatic

Caliber: .22 WMR

Capacity: 5

Year introduced: 1970, Germany

Weight: 141 oz

Overall length: 39.4"

Status: Discontinued

Intended use: hunting, target