The Auto-Ordnance Thompson M1 is a semi-automatic .45 ACP rifle modeled after the WWII-era M1 Thompson submachine gun. It has a 16.5-inch smooth barrel, fixed walnut stock, and ships with a 10-round stick magazine. At 11.5 lbs and 38 inches overall, it's a heavy rifle. The weight is part of the authentic M1 profile. 
 

Key Specifications 

• Caliber: .45 ACP 
• Barrel Length: 16.5 inches 
• Overall Length: 38 inches 
• Weight: 11.5 lbs 
• Capacity: 10 rounds (one stick magazine included) 
• Finish: Walnut stock with smooth barrel 
• Manufacturer: Auto-Ordnance 
• Model Number: TM110S 
• Type: Semi-Auto Tactical Rifle 
   

Detailed Features 

Barrel and Sights 

The 16.5-inch smooth barrel is paired with a blade front sight and fixed battle rear sight. The sight setup is straightforward and works well for range distances typical of .45 ACP use. 
 

Walnut Stock 

The fixed walnut stock maintains the original M1 look and feel. It's comfortable for range sessions and holds up well against normal wear. 
 

Caliber 

.45 ACP feeds from standard stick magazines, which are widely available and easy to source. The Auto-Ordnance models also accept the drum magazines used on the original Thompson. 
 

Target Audience 

 
The Thompson M1 is primarily a collector's and range-fun piece. Buyers come for the historical connection to the WWII-era original and the enjoyment of shooting a .45 ACP rifle with classic lines. It works as a home defense option, though the weight and size limit its practicality compared to lighter modern carbines. 
 

Usage Scenarios 

1. Collecting: The M1 profile and walnut furniture make this an appealing display and range piece for anyone interested in WWII-era firearms. 
2. Sport shooting and range use: Shooting the Thompson is genuinely enjoyable. The .45 ACP is satisfying and recoil is manageable given the rifle's weight. 
3. Home defense: Functional for this purpose, though most shooters will prioritize it for range use over daily defensive carry.

Most discussion about the Auto-Ordnance Thompson M1 in .45 ACP starts with the history. Buyers know what they're getting: a semi-auto recreation of an iconic WWII firearm, and most owners come away satisfied with how well Auto-Ordnance captured the original's look and feel. The walnut stock and overall profile get consistent praise.

Shooting it is described as fun. The .45 ACP has real stopping power and the rifle's weight, 11.5 lbs, soaks up recoil effectively. Most shooters report positive range experiences and find it easy and enjoyable to run.

The weight is the main functional criticism. At 11.5 lbs, it's significantly heavier than modern carbines, and some owners find it tiring during extended carries or rapid movement. For range use this matters less, but it's worth noting for anyone considering it as a primary defensive option.

Price and customization come up regularly. Some owners feel the cost is high for what is essentially a nostalgia purchase, while others point to the quality of materials and manufacturing as justification. Aftermarket accessories and optic options are more limited than for AR-platform rifles.

Overall, owners of the Thompson M1 tend to keep it and enjoy it. The appeal is the history and the shooting experience rather than tactical utility, and the rifle delivers on both.