Firearms

Auto-Ordnance M1 Thompson .45 ACP 10.5-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

Iconic WWII submachine gun. M1 variant simplified from original M1928. Used extensively in WWII and Korea.

Type: Pistol

Action: Semi-Automatic

Caliber: 45 ACP

Capacity: 20

Year introduced: 1919, USA

Weight: 10.8 oz

Overall length: 31.9"

Status: Discontinued

Military use: Yes

Intended use: Infantry, Officer, Special Forces