Dumb and Dumber: 22 TCM vs. 5.7x28

Published on February 21, 2023
Duration: 26:09

This video provides a detailed comparison between the .22 TCM and 5.7x28mm cartridges, analyzing their ballistics, performance in ballistic gelatin, and practical application. The expert analysis highlights the .22 TCM's lower recoil and cost versus the 5.7x28mm's superior reliability, industry support, and growing firearm ecosystem, concluding the 5.7x28mm is the more practical choice for defensive use.

Quick Summary

The .22 TCM cartridge achieved higher velocity (1971 fps) and energy (345 ft-lbs) than the 5.7x28mm (1828 fps, 297 ft-lbs) in tested handguns. However, the 5.7x28mm offered better penetration (16" vs 14.5") and expansion in ballistic gel, along with superior reliability and industry support, making it the more practical choice.

Chapters

  1. 00:00Introduction: .22 TCM vs. 5.7x28mm
  2. 01:51History and Design of .22 TCM
  3. 05:26Ballistics and Velocity Testing
  4. 10:18Ballistic Gel Comparison
  5. 13:38Pros and Cons of .22 TCM
  6. 18:31The Rise of 5.7x28mm
  7. 20:57Final Verdict

Frequently Asked Questions

What are the key ballistic differences between .22 TCM and 5.7x28mm?

.22 TCM (40gr JHP) averaged 1971 fps and 345 ft-lbs energy, while 5.7x28mm (Speer Gold Dot 40gr) averaged 1828 fps and 297 ft-lbs energy. The .22 TCM had slightly higher velocity and energy from the tested handguns.

How did the .22 TCM and 5.7x28mm perform in ballistic gelatin?

In ballistic gelatin, the .22 TCM showed a larger initial stretch cavity but less penetration (14.5 inches) compared to the 5.7x28mm (16 inches). The 5.7x28mm also demonstrated better expansion (0.309" vs 0.291").

What are the main advantages and disadvantages of the .22 TCM cartridge?

Pros of .22 TCM include very light recoil, high capacity in 1911 platforms, and low ammunition cost. Cons are potential reliability issues, single-source manufacturing, and limited retail availability, making it more of a 'range toy'.

Why is the 5.7x28mm considered a more practical choice than the .22 TCM?

The 5.7x28mm benefits from a growing ecosystem with multiple firearm and ammunition manufacturers (Federal, Speer, AAC), better proven reliability, less concussive blast, and wider industry support, making it a more viable option for defensive use.

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