Firearms

High Standard HDM Pistol

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

Silenced .22 LR semi-automatic pistol developed for the OSS. Integral suppressor made it one of the quietest firearms of WWII, used for clandestine operations and sentry elimination.

Type: Pistol

Action: Blowback

Caliber: .22 LR

Capacity: 10

Year introduced: 1944, USA

Weight: 36 oz

Overall length: 17"

Status: Discontinued

Military use: Yes

Intended use: military