10MM vs 357 MAGNUM

Published on March 19, 2026
Duration: 1:05

This guide details a ballistic gel test comparing the 10mm Auto and .357 Magnum calibers, as demonstrated by Kentucky Ballistics. Both calibers, using specific JHP ammunition, were tested for penetration in 16-inch Clear Ballistics gel blocks. The results showed full penetration for both, leaving the caliber debate unsettled. The video emphasizes practical comparison using specialized testing equipment.

Quick Summary

In a ballistic gel test comparing the 10mm Auto and .357 Magnum, both calibers demonstrated full penetration through a 16-inch Clear Ballistics gel block. The 10mm utilized a 180gr JHP, while the .357 Magnum used a 125gr JHP. This test, conducted by Kentucky Ballistics, showed significant power from both, leaving the caliber debate unresolved based on penetration alone.

Chapters

  1. 00:00Intro: 10mm vs 357 Magnum
  2. 00:0910mm Pistol & Ammo Details
  3. 00:1910mm Ballistic Gel Test
  4. 00:2410mm Gel Penetration Results
  5. 00:34357 Magnum Pistol & Ammo Details
  6. 00:44357 Magnum Ballistic Gel Test
  7. 00:51357 Magnum Gel Penetration & Conclusion

Frequently Asked Questions

What was the outcome of the 10mm vs .357 Magnum ballistic gel test?

In the ballistic gel test by Kentucky Ballistics, both the 10mm Auto (with a 180gr JHP) and the .357 Magnum (with a 125gr JHP) achieved full penetration through a 16-inch Clear Ballistics gel block, leaving the debate unsettled.

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

The 10mm Auto was tested using a 180-grain Jacketed Hollow Point (JHP) round fired from a Nighthawk Custom pistol. The .357 Magnum was tested with a 125-grain Jacketed Hollow Point (JHP) round fired from a Coonan pistol.

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

Both calibers demonstrated significant power. The 10mm with a 180gr JHP and the .357 Magnum with a 125gr JHP both completely penetrated the 16-inch Clear Ballistics gel block, indicating substantial energy transfer and penetration capability for each.

What firearms were used in the 10mm vs .357 Magnum comparison?

Kentucky Ballistics used a Nighthawk Custom 10mm pistol for the 10mm Auto test and a Coonan .357 Magnum pistol for the .357 Magnum test. Both firearms were shown in detail.

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