Dispelling the "BU!!$#!T" - 9mm vs. .357mag in Snubbies

Published on October 10, 2018
Duration: 11:23

This review debunks the myth that 9mm and .357 Magnum perform similarly from snub-nose revolvers. Ballistic testing with comparable 'hot' loads reveals .357 Magnum significantly outperforms 9mm in velocity and energy. The video also highlights the reliability advantage of .357 Magnum in revolvers due to potential 9mm crimp jump.

Quick Summary

.357 Magnum significantly outperforms 9mm in snub-nose revolvers, especially when comparing 'hot' loads. Ballistic testing shows .357 Magnum achieves higher velocities and energy, debunking the myth of parity between the two calibers in this platform. Additionally, .357 Magnum offers better reliability due to potential 9mm crimp jump issues.

Chapters

  1. 00:00Introduction: Ballistics Testing Setup
  2. 01:04Comparing Snubby Barrel Lengths
  3. 02:15Initial Velocity Results: 9mm vs .357 Mag
  4. 03:32The Flaw in Common Load Comparisons
  5. 04:51Hot Load Ballistics: .357 Magnum Dominance
  6. 06:31Conclusion: .357 Mag Superiority & Reliability

Frequently Asked Questions

Does 9mm perform as well as .357 Magnum in snub-nose revolvers?

No, .357 Magnum significantly outperforms 9mm in snub-nose revolvers, especially when comparing 'hot' loads. Ballistic testing shows .357 Magnum achieves higher velocities and energy, debunking the myth of parity between the two calibers in this platform.

What are the key differences in ballistics between 9mm and .357 Magnum from snub-nose guns?

From snub-nose revolvers, .357 Magnum consistently shows higher velocities and greater energy than 9mm, particularly when using comparable 'hot' ammunition loads. This difference is crucial for self-defense applications where terminal ballistics matter.

Are there reliability issues when using 9mm in revolvers?

Yes, 9mm ammunition can be prone to 'crimp jump' when fired from revolvers. This occurs when the recoil causes the bullet to move forward in the casing, potentially interfering with the cylinder's rotation or causing feeding issues, which is less common with .357 Magnum.

How do different ammunition loads affect the comparison between 9mm and .357 Magnum?

It's crucial to compare 'hot' loads for both calibers. Using standard .357 Magnum loads against 9mm +P loads is misleading. Testing with comparable high-performance ammunition reveals the true ballistic potential and superiority of the .357 Magnum.

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