Description
There are reproduction guns, and then there is the Thompson M1 SBR from Auto-Ordnance. With its 10.5-inch barrel, this is the model in the Thompson lineup that comes closest to the dimensions and weight of the original submachine gun that earned its reputation in the 1920s and carried GIs through World War II. The full-length carbines are nice, but the proportions on this one are what make people stop and stare at the range. This is the silhouette everyone recognizes.
Real Steel and Walnut, Just Like the Original Thompson
Auto-Ordnance machines the frame and receiver from solid steel and finishes them in classic blued steel, then dresses the whole thing in genuine American walnut with a fixed buttstock and horizontal foregrip. The result tips the scales right around 10.5 pounds, which sounds hefty until you shoot it. All that steel and wood soaks up the recoil of the .45 ACP, making this one of the smoothest-shooting pistol-caliber guns you will ever shoulder. It runs as a semi-auto blowback that fires from a closed bolt, complete with the distinctive side charging handle that gives it that unmistakable Thompson character.
Running the Thompson M1 SBR at the Range
Sights are a pinned blade up front paired with a fixed battle rear, simple and rugged just like the wartime guns. Overall length comes in at 32 inches, so it handles quicker and points faster than the longer carbine versions. Feeding duty falls to the included 30-round stick magazine, and extra sticks are easy to find when you want to keep a range day rolling. Ammo for the .45 ACP is everywhere, it is soft shooting out of a gun this size, and those big slow slugs make a satisfying thump on steel.
Built in the USA by Auto-Ordnance under the Kahr Firearms Group banner, the M1 SBR is a piece of American history you can take to the range instead of leaving behind glass in a museum. For collectors, WWII buffs, and anyone who has always wanted the genuine Tommy Gun experience, this is about as close as it gets.
Key Specifications
- Manufacturer: Auto-Ordnance
- Model: M1 Thompson SBR
- MPN: M1SB
- UPC: 602686281003
- Caliber: .45 ACP
- Action: Semi-Auto Blowback, Fires from a Closed Bolt
- Barrel Length: 10.5 inches
- Overall Length: 32 inches
- Weight: Approx. 10.5 lbs
- Capacity: 30 Rounds
- Magazine Type: Stick Magazine
- Frame/Receiver: Machined Solid Steel
- Finish: Blued Steel
- Stock: Fixed American Walnut with Horizontal Foregrip
- Sights: Pinned Blade Front, Fixed Battle Rear
- Made In: USA
What’s Included
- Auto-Ordnance Thompson M1 SBR rifle
- One 30-round stick magazine
Frequently Asked Questions
Does the Thompson M1 SBR accept drum magazines?
No, the M1 SBR runs stick magazines only, which is true to the original M1 pattern. The military simplified the M1 during WWII and deleted the drum feed from the design. It ships with one 30-round stick, and additional sticks are widely available if you want spares.
Is this a full-auto Thompson?
No, the Auto-Ordnance Thompson M1 SBR is semi-automatic only. It uses a blowback action that fires from a closed bolt, which is a change from the open-bolt originals. The upside is that closed-bolt operation tends to help accuracy, and the look, feel, and side charging handle are all faithful to the classic.
How heavy is the M1 SBR and how does it shoot?
It weighs right around 10.5 pounds thanks to the machined steel receiver and solid walnut furniture, so it carries like the wartime originals. That heft works in your favor at the range, since the mass soaks up .45 ACP recoil and keeps the muzzle flat. Most people find it noticeably softer shooting than lighter pistol-caliber carbines.
Is the wood on the Thompson M1 SBR real walnut?
Yes, the buttstock, pistol grip, and horizontal foregrip are genuine American walnut, not laminate or synthetic. Paired with the blued steel receiver, it gives the gun the authentic period-correct look. Auto-Ordnance builds these in the USA to match the character of the originals.





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