10MM vs 357 MAG (Penetration Test)

Published on October 9, 2025
Duration: 0:51

This penetration test compares the 10mm and .357 Magnum calibers. Using a Glock 20 with 180-grain FMJ, the 10mm penetrated 10 wooden boards. A Smith & Wesson 686 with 125-grain FMJ .357 Magnum penetrated 14 boards, demonstrating superior penetration in this specific test.

Quick Summary

In a penetration test comparing 10mm and .357 Magnum, the .357 Magnum showed superior performance. Using a 125-grain FMJ, it penetrated 14 wooden boards. The 10mm, with a 180-grain FMJ, penetrated 10 boards.

Chapters

  1. 00:00Introduction: 10mm vs .357 Magnum
  2. 00:0510mm Penetration Test Setup
  3. 00:1310mm Results: 10 Boards Penetrated
  4. 00:20.357 Magnum Test Setup
  5. 00:34.357 Magnum Results: 14 Boards Penetrated
  6. 00:43Final Comparison & Conclusion

Frequently Asked Questions

Which handgun caliber, 10mm or .357 Magnum, had better penetration in the test?

In this specific penetration test using wooden boards, the .357 Magnum demonstrated superior penetration. The .357 Magnum round penetrated 14 boards, while the 10mm round penetrated 10 boards.

What ammunition was used for the 10mm and .357 Magnum penetration test?

The 10mm test utilized a 180-grain Full Metal Jacket (FMJ) round fired from a Glock 20. The .357 Magnum test used a 125-grain FMJ round fired from a Smith & Wesson 686.

What were the specific results of the 10mm penetration test?

The 10mm round, a 180-grain FMJ fired from a Glock 20, successfully penetrated 10 wooden boards during the test before stopping on the 11th board.

What were the specific results of the .357 Magnum penetration test?

The .357 Magnum round, a 125-grain FMJ fired from a Smith & Wesson 686, penetrated 14 wooden boards during the test and stopped on the 15th board.

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