The Auto-Ordnance M1 Tanker is a semi-automatic rifle chambered in .45 ACP, built on the Thompson M1 Carbine pattern with a 16.5-inch smooth barrel, walnut stock, and OD Green Cerakote (Army Olive Drab) finish. 
 

Key Specifications 

• Model: TM1C1 
• Caliber: .45 ACP 
• Barrel Length: 16.5 inches (Smooth) 
• Capacity: 30 rounds (30-round stick and 20-round stick magazine options) 
• Weight: 11.5 lbs 
• Overall Length: 38 inches 
• Action Type: Semi-Automatic 
• Finish Color: OD Green Cerakote (Army Olive Drab) 
   

Features 

 
The OD Green Cerakote holds up to corrosion and abrasion better than blued steel. The walnut stock is fitted rather than synthetic, which contributes to the traditional look and adds weight — this is not a light gun at 11.5 lbs. Sights are blade front with a fixed battle rear, functional for the pistol-caliber distances this rifle operates at. The 30-round stick magazine ships with the rifle; 20-round stick magazines are also compatible. 
 

Usage 

 
The M1 Tanker is .45 ACP in a shoulder-fired platform, which keeps felt recoil comfortable at the expense of range — the .45 ACP is not a distance cartridge. At 38 inches and 11.5 lbs it is not a compact or lightweight option, so it works best at the range, for collecting, or as a fixed home defense setup rather than a carbine meant for maneuverability.

Owner feedback on the Auto-Ordnance M1 Tanker in OD Green/Walnut consistently comes back to two things: the look and the shooting experience.

The OD Green and walnut combination draws positive reactions. Owners who appreciate military history find the Thompson-influenced design to be the main draw, and the Cerakote finish is considered durable.

At the range, the .45 ACP chambering in a shouldered platform keeps recoil very manageable. Most owners report enjoyable, relaxed shooting sessions — it is not a taxing rifle to run through a box of ammunition.

Weight is the primary practical complaint. At 11.5 lbs it is heavy for a pistol-caliber carbine, and some owners note this limits how long they want to carry or hold it on a range session.

Magazine compatibility comes up occasionally. Some users prefer different aftermarket stick magazine options, and compatibility with various 30-round magazines can vary.

The overall sentiment is that this is a fun, heritage-oriented rifle rather than a tactical or utilitarian purchase. Buyers going in with that framing tend to be satisfied; those expecting a lightweight, maneuverable carbine are sometimes surprised by the weight.