The Auto-Ordnance Thompson M1 Carbine in the Marines 250th Anniversary edition is a semi-automatic rifle chambered in .45 ACP with a 16.5-inch barrel. It has a 30+1 capacity and a Midnight Blue Cerakote finish on the barrel, with Midnight Blue and Stormtrooper White Cerakote on the steel receiver. The stock and grip are engraved walnut, produced to commemorate the Marine Corps 250th anniversary. 
 

Key Specifications 

• Brand: Auto-Ordnance 
• Model: Thompson M1 
• Caliber: .45 ACP 
• Action: Semi Auto 
• Capacity: 30+1 rounds 
• Barrel Length: 16.5 inches 
• Finish: Midnight Blue Cerakote / Stormtrooper White Cerakote 
   

Detailed Features 

• 16.5-inch barrel with Midnight Blue Cerakote finish 
• Midnight Blue and Stormtrooper White Cerakote steel receiver 
• Engraved walnut fixed stock and grip 
• Custom engraving commemorating the Marine Corps 250th anniversary 
• 30+1 round capacity

Collectors and enthusiasts who pick up the Thompson M1 Marine 250th Anniversary edition are largely buying it as a commemorative piece, and that context shapes most of the reviews. The engraved walnut and two-tone Cerakote finish get strong marks for the quality of the presentation.

Those who actually shoot the Thompson M1 note it is a fun, straightforward semi-auto in .45 ACP. The M1 platform is well-understood and mechanically simple, which most owners appreciate. The 30+1 capacity makes it a capable carbine for range use, even if the trigger is not match-grade.

The value proposition depends entirely on whether the buyer wants the commemorative angle. As a shooter it competes against more modern options; as a wall piece or collector's item the limited edition Marine engraving is the draw.