Description
If you have ever wanted to shoulder a piece of American history that still barks with authority at the range, the Auto-Ordnance Thompson 1927A1 Lightweight Deluxe .45 ACP 10.5in 50rd is the real deal. This semi-auto pistol-style reproduction of the classic Tommy Gun carries the same finned barrel, walnut furniture, and iconic 50-round drum magazine that made it a legend, now built with modern manufacturing by Kahr Arms. It is a straight-shooting, head-turning piece for collectors, historical shooters, and anyone who loves the feel of a .45 ACP running through a heavy, well-balanced firearm.
| Manufacturer | Auto-Ordnance (Kahr Arms) |
|---|---|
| Model | Thompson 1927A1 Lightweight Deluxe |
| Material | Steel receiver, walnut furniture (per manufacturer specs) |
| Compatibility | .45 ACP ammunition, 50-round drum magazine, 10.5-inch barrel |
| Finish | Blued steel with polished bolt (per manufacturer specs) |
| Weight | Approximately 11.5 lbs (unloaded, per manufacturer specs) |
| Condition | New |
Key Features
- Genuine 50-Round Drum Magazine: This is the heart of the Thompson experience. The included drum gives you a full 50 rounds of .45 ACP on tap, letting you stay in the action longer without reloading. Why it matters: You get the classic look and the firepower that made the original famous, right out of the box.
- 10.5-Inch Finned Barrel: The distinctive finned profile is not just for looks—it helps dissipate heat during sustained strings of fire. Why it matters: The barrel stays cooler, and the iconic silhouette tells everyone at the range you mean business.
- Period-Style Walnut Furniture: The fore-end and pistol grip are crafted from real walnut, matching the original 1920s aesthetic. Why it matters: You get a piece of history in your hands, with a warm, solid feel that synthetic stocks just cannot match.
- Modern Semi-Auto Action: This is a semi-automatic firearm, not a full-auto replica, built to current legal standards. Why it matters: You can own and shoot a piece of history without the NFA paperwork, while still enjoying the smooth cycling of a .45 ACP.
- Lightweight Aluminum Receiver: The receiver is made from lightweight aluminum alloy, reducing overall weight compared to the original steel. Why it matters: You can carry and shoulder this Thompson for a full day at the range without feeling like you hauled an anvil.
Who It’s For
This Thompson is built for the southern shooter who appreciates history and wants a reliable range companion. It suits collectors who want a display piece they can actually shoot, historical shooting enthusiasts who enjoy World War II and Prohibition-era firearms, and recreational shooters who want a conversation starter that performs. It is also a fine choice for anyone who loves the .45 ACP cartridge and wants a platform that delivers it with authority.
Pros & Cons
- Pros: Authentic look and feel, 50-round drum included, smooth .45 ACP shooting, lightweight aluminum receiver, solid walnut furniture, reliable semi-auto action.
- Cons: The 50-round drum is heavy when loaded, and the overall weight (around 11.5 lbs) can be tiring for extended standing sessions. The rear sight is a simple fixed notch, so precision accuracy at long range is not its strong suit.
Comparison
| Feature | Auto-Ordnance Thompson 1927A1 | Zev Technologies OZ9 | Agency Arms Glock 17 Build |
|---|---|---|---|
| Caliber | .45 ACP | 9mm | 9mm |
| Barrel Length | 10.5 inches | 4.49 inches | 5.22 inches |
| Capacity | 50 rounds (drum) | 17 rounds | 17 rounds |
| Weight (unloaded) | ~11.5 lbs | ~1.8 lbs | ~2.0 lbs |
| Style | Classic historical replica | Modern competition | Custom tactical |
| Best For | Collectors, historical shooters | Competition, concealed carry | Duty, competition |
FAQ
Is the Auto-Ordnance Thompson 1927A1 Lightweight Deluxe a full-auto firearm?
No, this is a semi-automatic reproduction. It fires one round per trigger pull and is legal to own without a special license. It is built to modern semi-auto standards by Kahr Arms.
Does it come with a 50-round drum magazine?
Yes, the package includes one 50-round drum magazine. It also accepts standard stick magazines, though those are sold separately.
What is the barrel length and overall length?
The barrel is 10.5 inches long. The overall length of the firearm is approximately 32 inches, making it a pistol-style design per ATF regulations.
Can I use modern .45 ACP ammunition in this firearm?
Yes, the Thompson 1927A1 is chambered for standard .45 ACP ammunition. It cycles reliably with 230-grain FMJ rounds commonly found at the range.
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Last updated: April 2026
According to the NSSF, the .45 ACP remains one of the top three handgun calibers in the U.S. market, and the Thompson 1927A1 is a standout choice for those who want a piece of that legacy. Semi Auto Handguns | .45 ACP Pistols | Collector Firearms
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