The Auto-Ordnance 1927A-1 Deluxe Lightweight is a semi-automatic .45 ACP rifle styled after the classic Thompson submachine gun. It has an 18-inch barrel, a lightweight aluminum receiver, and a blued finish that together keep the reproduction closer to the original profile while trimming overall weight. The rifle comes with a walnut stock and ships ready to run with both a 20-round stick magazine and a 100-round drum magazine. 
 

Key Specifications 

• Brand: Auto-Ordnance 
• Model: 1927A-1 Lightweight Deluxe 
• Caliber: .45 ACP 
• Action: Semi-Auto 
• Capacity: 100+1 Rounds 
• Barrel Length: 18 in 
• Finish: Blued 
   

Detailed Features 

• Aluminum receiver trims weight compared to an all-steel build 
• Blade front sight paired with an adjustable rear iron sight 
• Thumb safety gives simple manual control 
• Walnut stock with a walnut-grain polymer grip 
• Runs both the included 20-round stick magazine and 100-round drum magazine

Owners of the Auto-Ordnance 1927A-1 generally like that it captures the look of the original Thompson without the collector-grade price tag. Fit and finish get mixed reviews: some rifles run tight out of the box, while others need a break-in period before cycling reliably, especially with the drum magazine.

On the range, the Lightweight Deluxe configuration is easier to carry than the full-weight Thompson reproductions, and the walnut stock is a common point of praise for both looks and handling. The 20-round stick magazine tends to run more consistently than the 100-round drum, which some owners say needs careful loading to feed smoothly.

Value-wise, buyers see it as an affordable way into Thompson ownership for range days and collecting rather than serious defensive use. Magazines and drums are the main aftermarket purchase, and opinions vary on how reliably the factory drum feeds compared to aftermarket options.