The Auto-Ordnance Thompson M1 (brand part no. M1SB) is a .45 ACP short-barreled rifle built on the classic Thompson platform, matched to a 10.5-inch barrel. It ships with a 30-round stick magazine and blade front/fixed battle rear sights, favoring collectors and shooters who want a compact, historically-styled SBR.

Key Specifications

• Chambered in .45 ACP.
• Wears a 10.5-inch barrel.
• Feeds from a 30-round stick magazine.
• Equipped with blade front, fixed battle rear sights.

Frequently Asked Questions

Is this an NFA item? Yes. As a short-barreled rifle, it's a Title II firearm requiring an approved ATF Form 4 and transfer through an NFA-licensed dealer.

What magazine does it use? A 30-round stick magazine.

What sights are included? Blade front and fixed battle rear sights.

Buy the Auto-Ordnance Thompson M1 SBR

This is a Title II item regulated under the National Firearms Act. Purchase requires an approved ATF Form 4, no federal transfer tax, and transfer through a licensed NFA (SOT/Class 3) dealer, with an extended federal approval wait before delivery. Order through Auto-Ordnance‘s short barrel rifles lineup and our Lubbock, Texas team will walk you through the transfer process.