9MM vs 10MM (Penetration Test)

Published on January 23, 2026
Duration: 0:36

This video from Kentucky Ballistics features a direct penetration test comparing 9mm and 10mm calibers. Using standard Full Metal Jacket (FMJ) ammunition, the test demonstrates the superior penetration depth of the 10mm cartridge over the 9mm. The host, Scott, provides clear visual evidence and concise results, highlighting the differences in terminal ballistics between these popular handgun rounds.

Quick Summary

In a penetration test comparing 9mm and 10mm FMJ ammunition fired from Glock pistols, the 10mm 180 grain round penetrated 11 wooden boards, while the 9mm 124 grain round penetrated 10 boards, indicating greater penetration depth for the 10mm.

Chapters

  1. 00:00Introduction: 9mm vs 10mm Penetration Test
  2. 00:059mm Penetration Test Setup
  3. 00:139mm Penetration Results
  4. 00:1810mm Penetration Test Setup
  5. 00:2510mm Penetration Results
  6. 00:29Final Comparison & Conclusion

Frequently Asked Questions

What was the result of the 9mm penetration test?

In the penetration test conducted by Kentucky Ballistics, a 9mm 124 grain Full Metal Jacket (FMJ) round fired from a Glock 19 successfully penetrated 10 wooden boards before being stopped by the 11th.

How did the 10mm perform in the penetration test?

The 10mm 180 grain Full Metal Jacket (FMJ) round, fired from a Glock 20, demonstrated greater penetration, successfully passing through 11 wooden boards and being stopped by the 12th board.

Which handgun caliber, 9mm or 10mm, penetrated deeper in the test?

The 10mm caliber demonstrated deeper penetration than the 9mm caliber in this specific test. The 10mm round penetrated 11 boards, while the 9mm round penetrated 10 boards.

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