10MM vs 357 MAGNUM

Published on March 19, 2026
Duration: 1:05

This video from Kentucky Ballistics pits the 10mm Auto against the .357 Magnum in a ballistic gel test. Both calibers, using 180-grain JHP (10mm) and 125-grain JHP (.357 Magnum) respectively, demonstrated full penetration through a 16-inch Clear Ballistics gel block. The comparison highlights the raw power of both cartridges, leaving the age-old debate unsettled.

Quick Summary

In a ballistic gel test by Kentucky Ballistics, both the 10mm Auto (180gr JHP) and the .357 Magnum (125gr JHP) demonstrated full penetration through a 16-inch Clear Ballistics gel block, indicating substantial terminal ballistics for both calibers.

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

How did the 10mm Auto perform in the ballistic gel test?

The 10mm Auto, using a 180-grain Jacketed Hollow Point (JHP) round fired from a Nighthawk Custom pistol, completely penetrated a 16-inch Clear Ballistics gel block, demonstrating significant stopping power.

What were the results of the .357 Magnum ballistic gel test?

The .357 Magnum, with a 125-grain Jacketed Hollow Point (JHP) round fired from a Coonan pistol, also achieved full penetration through the 16-inch Clear Ballistics gel block, showing comparable terminal ballistics to the 10mm in this test.

Which caliber is superior based on the Kentucky Ballistics gel test?

The ballistic gel test showed both the 10mm Auto and the .357 Magnum achieving full penetration through 16 inches of gel. The video concludes that the debate remains unsettled, implying comparable performance in this specific scenario.

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