Firearms

High Standard HDM 22 LR Suppressed

Schematic

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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

Military-issue suppressed 22 LR pistol used by OSS and CIA.

Type: Pistol

Action: Semi-Automatic

Caliber: 22 LR

Capacity: 10

Year introduced: 1944, USA

Weight: 36 oz

Overall length: 11"

Status: Discontinued

Military use: Yes

Intended use: collecting, historical