The Thompson M1 Carbine Tommy Gun is a semi-automatic rifle chambered in .45 ACP with a 10.5-inch barrel and a 30-round stick magazine. This is a short-barreled configuration; transfer requires additional federal paperwork. 
 

Key Specifications 

• Brand: Thompson 
• Model: M1 
• Caliber: .45 ACP 
• Barrel Length: 10.5 inches 
• Capacity: 30 rounds 
   

Detailed Features 

• 10.5-inch barrel in a short-barreled configuration requiring additional federal paperwork 
• 30-round stick magazine included 
• .45 ACP chambering 
• M1 Carbine Tommy Gun pattern

The Thompson M1 Tommy Gun draws owners who want the classic look and feel of the iconic platform. Most of the positive feedback centers on the build quality and the way it replicates the original profile, with the 30-round stick magazine adding to the period-correct appearance.

The .45 ACP chambering is a deliberate appeal for those who prefer the cartridge, and owners generally report reliable feeding with standard ball ammunition. Accuracy at typical distances is considered adequate for a pistol-caliber carbine of this style.

The short-barreled configuration means owners go through the additional federal transfer process, which some accept as part of the package and others find inconvenient. The overall weight and balance of the M1 gets mixed reactions, with some finding it natural to shoot and others noting it sits heavy for extended range sessions.