10MM vs 357 MAG (Penetration Test)

Published on October 9, 2025
Duration: 0:51

This video features an expert-level penetration test comparing the 10mm Auto and .357 Magnum cartridges. Conducted by Kentucky Ballistics, the test utilizes a Glock 20 for the 10mm round (180gr FMJ) and a Smith & Wesson 686 for the .357 Magnum round (125gr FMJ), both fired into wooden boards. The .357 Magnum demonstrated superior penetration, stopping on the 15th board compared to the 10mm's 11th board.

Quick Summary

In a penetration test by Kentucky Ballistics, the .357 Magnum (125gr FMJ from S&W 686) penetrated 14 wooden boards, while the 10mm Auto (180gr FMJ from Glock 20) penetrated 10 boards, indicating superior penetration for the .357 Magnum in this specific test.

Chapters

  1. 00:00Introduction: 10MM vs 357 MAG Penetration Test
  2. 00:0510MM Test Setup: Glock 20 with 180gr FMJ
  3. 00:1310MM Penetration Results: 10 Boards
  4. 00:20.357 Magnum Test Setup: S&W 686 with 125gr FMJ
  5. 00:34.357 Magnum Penetration Results: 14 Boards
  6. 00:43Conclusion: .357 Magnum Superior Penetration

Frequently Asked Questions

Which caliber penetrated more wooden boards in the Kentucky Ballistics test?

In the penetration test conducted by Kentucky Ballistics, the .357 Magnum cartridge demonstrated superior penetration. It successfully penetrated 14 wooden boards, stopping on the 15th, while the 10mm Auto penetrated 10 boards, stopping on the 11th.

What firearms and ammunition were used for the 10mm vs .357 Magnum penetration test?

The test used a Glock 20 handgun with 180-grain FMJ ammunition for the 10mm caliber. For the .357 Magnum caliber, a Smith & Wesson 686 revolver was used with 125-grain FMJ ammunition.

What was the primary goal of the Kentucky Ballistics penetration test?

The primary goal was to directly compare the penetration capabilities of the 10mm Auto and .357 Magnum cartridges. The test aimed to determine which of these popular handgun rounds could penetrate deeper into a series of wooden boards.

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