Valuation Guides Machine Guns 1928A1 Thompson

Published: May 26, 2025 | Updated: February 17, 2026

How Much is My 1928A1 Thompson Worth?

The 1928A1 Thompson was a World War II-era refinement of the iconic submachine gun, retaining the drum magazine capability and iconic Cutts compensator while streamlining production.

Curious about how much your 1928A1 Thompson sub machine gun is worth? Whether you’re looking to sell or simply understand current pricing, we’ll help you assess the market value of your firearm.

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About the 1928A1 Thompson

Produced primarily during the early stages of World War II, the 1928A1 Thompson was a simplified version of the earlier commercial 1928, built for mass military deployment. Furthermore, it was the first type-classified version of the Thompson officially deployed by US forces. It kept many of the signature features of the 1928 model such as the finned barrel, Cutts compensator, top-mounted actuator and drum magazine slot in the receiver. The horizontal foregrip would become standardized and the finish simplified to a black oxide application. Later variants were further simplified into the M1 series.

Origin

United States

Manufacturer

Auto-Ordnance (Bridgeport, CT), Auto-Ordnance (West Hurley, NY), Savage Arms

Caliber

.45 ACP

Rate of Fire

600–700 rounds/min

Notable Uses

WWII U.S. military forces, Lend-Lease program

1928A1 Thompson Machine Gun Values & Variants

Transferable 1928A1 Thompson sub machine guns are highly sought after by NFA collectors and enthusiasts. Value is influenced by originality, condition, variant type and any unique historical markings. Most examples on the market range from $17,000 to $28,000, depending on configuration and provenance.

Common Variants & Value Ranges

  • Post-War Commercial Examples (West Hurley)

    Estimated Value: $18,000 – $22,000

  • Registered Dewats Reactivated

    Estimated Value: $22,000 – $26,000

  • Auto-Ordnance or Savage Military-Issue (C&R Eligible)

    Estimated Value: $28,000 – $34,000

Market values reviewed by Chris Wing, Lead Firearms Valuation Specialist

Factors That Influence 1928A1 Thompson Values

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Originality:

Transferable 1928A1 Thompsons with original receivers, parts, and factory markings typically command higher prices due to their authenticity and appeal to collectors.

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Condition:

Clean, well-maintained 1928A1 Thompson machine guns in excellent mechanical and cosmetic condition will sell for significantly more than worn or modified examples.

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Historical Markings / Provenance:

If there are markings or provenance that link your 1928A1 Thompson to a specific military unit, wartime service, or historical event - collector interest and market value can greatly increase.

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Restoration:

Whether your 1928A1 Thompson has been refinished, restored or modified will significantly affect pricing. Original finishes are typically more desirable.

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Transfer Status:

Transferrable 1928A1 Thompsons will hold a considerably higher value than their pre-86 or post-86 counterparts.

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Receiver Type & Build Origin:

1928A1 Thompsons built on original receivers typically hold more value than rewelds or aftermarket builds.

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Frequently asked questions

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How much is a transferable 1928A1 Thompson worth in 2026?
In the current 2026 market, transferable 1928A1 Thompson values range from $17,000 to $28,000.
What makes a 1928A1 Thompson more valuable?
Correct configuration, originality and condition are key. Matching components, original finish, correct furniture and period-correct military details often command a premium compared to mixed or heavily replaced examples.
Does manufacturer matter on a 1928A1 Thompson?
Yes. Manufacturer markings and production era can affect collector demand and pricing. Condition and originality still drive most of the value, but desirable markings and correct configuration can increase the premium.
Do you buy transferable 1928A1 Thompson machine guns?
Yes. WeBuyGuns.com buys transferable machine guns nationwide. Share photos of markings and configuration plus any paperwork details and we can provide a current value range and a purchase offer with clear next steps.
Can I sell a 1928A1 Thompson I inherited?
Yes, if it is legally transferable. Eligibility depends on registration history and paperwork, not just the model. We can help you understand what you have and outline the compliant path to sell.
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