9MM vs 45 ACP (Penetration Test)

Published on September 9, 2025
Duration: 0:51

This penetration test compares 9mm and .45 ACP ammunition. The 9mm Full Metal Jacket (FMJ) from a Glock 19 penetrated 9 wooden boards, while the .45 ACP FMJ from a Sig 1911 penetrated 6 boards. The test highlights differences in penetration capabilities between these popular handgun calibers.

Quick Summary

In a penetration test, 9mm FMJ ammunition fired from a Glock 19 penetrated 9 wooden boards, while .45 ACP FMJ from a Sig 1911 penetrated 6 boards. The 9mm was stopped by the 10th board, and the .45 ACP by the 7th.

Chapters

  1. 00:00Introduction: 9mm vs .45 ACP Penetration Test
  2. 00:069mm Penetration Test Setup (Glock 19)
  3. 00:159mm Penetration Results
  4. 00:22.45 ACP Penetration Test Setup (Sig 1911)
  5. 00:34.45 ACP Penetration Results
  6. 00:43Comparison and Conclusion

Frequently Asked Questions

Which caliber penetrated deeper in the wood board test?

In the penetration test conducted, the 9mm caliber penetrated deeper into the wood boards, successfully going through 9 boards. The .45 ACP caliber penetrated 6 boards before stopping.

What firearms were used for the 9mm and .45 ACP penetration tests?

The 9mm penetration test was conducted using a Glock 19. The .45 ACP penetration test utilized a Sig 1911 pistol for the comparison.

What type of ammunition was used in the 9mm vs .45 ACP penetration test?

The test used 124-grain Full Metal Jacket (FMJ) ammunition for the 9mm caliber and 230-grain Full Metal Jacket (FMJ) ammunition for the .45 ACP caliber.

How many boards did the 9mm and .45 ACP rounds penetrate?

The 9mm round penetrated 9 wooden boards, stopping at the 10th. The .45 ACP round penetrated 6 wooden boards, being stopped by the 7th board.

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