The Thompson M1A1 Submachine Gun (Full Auto)

Published on July 27, 2016
Duration: 5:29

The Thompson M1A1 submachine gun, a simplified WWII-era variant, offers iconic full-auto performance in .45 ACP. While its 12lb weight aids stability, the stock ergonomics can be awkward. Production costs were significantly reduced for mass deployment compared to earlier models.

Quick Summary

The Thompson M1A1 is a simplified WWII-era submachine gun, costing approximately $616 in modern dollars. It features a reliable double-stack magazine and simple sights, though its stock ergonomics can be awkward for some shooters.

Chapters

  1. 00:00Introduction and Full Auto Demo
  2. 00:21Historical Context and Models
  3. 00:51Cost and Production
  4. 01:20Sights and Controls
  5. 02:59Magazine and Action
  6. 03:53Accuracy and Ergonomics

Frequently Asked Questions

What makes the Thompson M1A1 a simplified version of earlier models?

The M1A1 simplified the design from earlier Blish lock models and the M1. This reduction in complexity, including simpler sights and barrels, was crucial for mass production during WWII and significantly lowered manufacturing costs.

How does the Thompson M1A1's cost compare to other firearms?

During WWII, the M1A1 cost around $616 in today's dollars. This was comparable to the contract price of a modern M4 carbine, highlighting its mass-producible nature compared to the much more expensive early Thompson variants.

What are the key controls and sights on the Thompson M1A1?

The M1A1 features a simple rear peep sight with a notch for distance and a robust front post. Controls include a thumb-actuated magazine release, a right-side reciprocating charging handle, and separate levers for safety and fire selection (semi/full).

Is the Thompson M1A1 magazine design reliable?

Yes, the Thompson utilizes a double-stack, double-feed magazine, which is generally considered more reliable than the single-feed designs found on some other submachine guns of the era, like the M3 Grease Gun.

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