10mm vs 357 Magnum vs Ballistic Gel

Published on November 20, 2017
Duration: 10:10

This guide details a ballistic gel test comparing 10mm and .357 Magnum calibers, conducted by Kentucky Ballistics. The test uses a Smith & Wesson Model 686 and a Glock Model 20 with Underwood Ammo, measuring penetration, expansion, and weight retention of various hollow-point rounds. The expert-level demonstration provides objective data for firearm enthusiasts and those interested in terminal ballistics.

Quick Summary

Kentucky Ballistics conducted a detailed ballistic gel test comparing 10mm and .357 Magnum calibers using Underwood Ammo. The .357 Magnum 158gr penetrated 25.5 inches, while the 10mm 200gr penetrated 22.5 inches. Both calibers demonstrated significant expansion, with 10mm rounds generally showing slightly larger expansion diameters, indicating effective terminal performance for both.

Chapters

  1. 00:00Introduction and Test Overview
  2. 00:52Firearms and Ammunition Selection
  3. 01:47.357 Magnum 158gr Ballistic Test
  4. 02:47.357 Magnum 125gr Ballistic Test
  5. 04:3110mm 200gr Ballistic Test
  6. 05:2810mm 150gr Ballistic Test
  7. 06:39Post-Test Data Analysis
  8. 08:09Conclusion and Recommendations

Frequently Asked Questions

How did the 10mm and .357 Magnum perform in ballistic gel tests?

In a ballistic gel test by Kentucky Ballistics, the .357 Magnum 158gr penetrated 25.5 inches, while the 10mm 200gr penetrated 22.5 inches. Both calibers showed significant expansion, with 10mm rounds generally exhibiting slightly larger expansion diameters.

What factors were measured in the 10mm vs .357 Magnum ballistic gel comparison?

The comparison focused on key terminal ballistics metrics: penetration depth into 10% ballistic gel, projectile expansion diameter, and retained bullet weight after impact. These factors help assess the effectiveness of different ammunition types.

Which firearms were used for the 10mm and .357 Magnum ballistic gel test?

The ballistic gel test utilized a Smith & Wesson Model 686 revolver chambered in .357 Magnum and a Glock Gen 4 Model 20 semi-automatic pistol chambered in 10mm. Both firearms are well-regarded in their respective calibers.

What ammunition was used in the 10mm vs .357 Magnum ballistic gel comparison?

The test featured Underwood Ammo, specifically 10mm 150gr and 200gr hollow points, and .357 Magnum 125gr and 158gr hollow points. These selections represent common defensive and performance-oriented loads for each caliber.

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