Thompson Submachine Gun M1A1

Published on August 27, 2019
Duration: 17:13

This comprehensive review of the Thompson Submachine Gun M1A1, presented by Garand Thumb, delves into its historical significance, technical specifications, and practical handling characteristics. The video highlights differences from earlier models, discusses its open bolt mechanism, recoil management due to its weight and caliber, and compares it favorably to modern submachine guns. Garand Thumb, a recognized expert, provides an informative and appreciative assessment of this iconic firearm.

Quick Summary

Garand Thumb provides an expert review of the Thompson M1A1 submachine gun, highlighting its historical significance, technical specs like its .45 ACP caliber and 700-800 RPM cyclic rate, and its manageable recoil due to its 10 lb weight. He compares its shooting experience favorably against modern SMGs like the H&K UMP.

Chapters

  1. 00:00Introduction & Shooting Montage
  2. 01:02Overview of the Thompson M1A1
  3. 02:07M1A1 vs. 1928A1 Differences
  4. 03:26Muzzle and Recoil
  5. 04:10Barrel and Accuracy
  6. 04:34Open Bolt Mechanism
  7. 05:49Receiver and Ergonomics
  8. 06:25Cyclic Rate
  9. 07:07Weight and Recoil Impulse
  10. 08:46Magazine and Reloading
  11. 09:33Safety and Selectors
  12. 11:01Trigger Assessment
  13. 12:15Stock Design and Muzzle Rise
  14. 13:15Comparison to Modern SMGs
  15. 14:38Sights and Final Thoughts

Frequently Asked Questions

What are the key technical specifications of the Thompson M1A1 submachine gun?

The Thompson M1A1 features a 10.52-inch barrel, fires .45 ACP ammunition, has a cyclic rate of 700-800 RPM, and typically uses 20 or 30-round stick magazines. It weighs approximately 10 lbs, contributing to manageable recoil.

How does the Thompson M1A1 differ from the 1928A1 model?

The M1A1 simplified the design compared to the 1928A1, notably moving the charging handle to the side and transitioning from the Blish lock system to a more direct blowback operation. The M1A1 also lacks the compensator found on earlier models.

What is the effective range and recoil management like for the Thompson M1A1?

The Thompson M1A1 has an effective range of about 150 meters. Its substantial weight (around 10 lbs) and the .45 ACP caliber result in a very smooth recoil impulse, making it surprisingly manageable despite its historical reputation.

What are the ergonomic considerations for the Thompson M1A1?

The M1A1 has a side-mounted charging handle, improving ergonomics over previous models. However, the safety and fire selectors require a non-ergonomic 180-degree rotation. The stock design can also lead to muzzle rise during automatic fire.

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