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Auto Ordnance

THOMPSON SMG

Our editorial team reviews specifications, product data, and field-use information to keep pages accurate.

Authentic Thompson

Drum magazine accessory

U.s.-manufactured Original

Specifications

Available 10-round,

50-round, and 100-round versions

10-round 50-round

Drums measure 6.75 inches in

100-round Drum

Measures 8.75 inches in diameter

$283.99
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SKU: 59542

Overview

This drum magazine is intended for Thompson owners who want an authentic accessory that matches the platform’s classic character. It is described as being manufactured in the U.S. to the original specifications and is offered in 10-, 50-, and 100-round versions. Each drum includes a drum installation device, referred to as a “3rd hand,” along with a Thompson manual. It is stated to work in most full-auto models, making it a specialized option for compatible setups.

Why Hunters Choose the Auto Ordnance

Authentic Drum

Magazine accessory for Thompson owners

Available 10,

50, and 100 round capacities

Shipped Drum

A drum installation device and

Made U.s.

To original specifications

Works Most

Full auto Thompson models

Key Features

  • Authentic Thompson drum magazine accessory
  • U.S.-manufactured to original specifications
  • Available in 10-round, 50-round, and 100-round versions
  • 10-round and 50-round drums measure 6.75 inches in diameter
  • 100-round drum measures 8.75 inches in diameter
  • Includes a drum installation device, "3rd hand," and Thompson manual
  • Works in most full auto models

Best Used For

  • Collectors seeking an authentic Thompson drum magazine for display or period-correct setup
  • Owners of compatible full-auto Thompson models needing a magazine with original-style specifications
  • Users who want the included drum installation device and Thompson manual for setup support
  • Enthusiasts prioritizing the classic look and feel associated with Thompson drum magazines

Specifications

Capacity10 Rd., 50 Rd., 100 Rd.
CompatibilityWorks in most full auto models
Country Of OriginU.S. Manufactured
Diameter6.75 in. (10 Rd. and 50 Rd. drums); 8.75 in. (100 Rd. drum)
Included AccessoriesDrum installation device (3rd hand), Thompson manual
Magazine TypeDrum magazine

Pros

  • Authentic drum magazine accessory for Thompson owners
  • Available in 10, 50, and 100 round capacities
  • Shipped with a drum installation device and Thompson manual
  • Made in the U.S. to original specifications
  • Works in most full auto Thompson models

Considerations & Trade-offs

  • The drum magazine adds substantial size compared with standard box magazines, so it is a more specialized setup than a compact carry option.
  • The 10 Rd. and 50 Rd. drums share the same 6.75 diameter, while the 100 Rd. drum is larger at 8.75, so fit and handling vary by capacity.
  • It is described as working in most full auto models, which leaves some model-specific compatibility to verify before purchase.
  • Each drum includes a drum installation device and Thompson manual, but the product description does not provide additional setup details beyond that.

Suggested Comparisons

  • Drum magazines
  • Thompson firearm accessories
  • Full-auto firearm magazines
  • Magazine loading tools

Suggested Accessories

  • Magazine pouch
  • Gun cleaning kit
  • Drum magazine loader
  • Firearm manual

Frequently Asked Questions

What is included with the Thompson SMG drum magazine?

Each drum is shipped with a drum installation device called the "3rd hand" and a Thompson manual.

What capacities are mentioned for this drum magazine?

The source lists 10-round, 50-round, and 100-round drums.

What are the listed diameters for the drums?

The 10-round and 50-round drums have a diameter of 6.75, and the 100-round drum has a diameter of 8.75.

Is this drum magazine made in the U.S.?

Yes. The description states that each authentic drum is entirely U.S. manufactured.

What firearms does it fit?

The description says it works in most full auto models, but it does not provide a more specific compatibility list.