Is the .40 Really Dead?

Published on November 14, 2024
Duration: 14:10

The .40 S&W caliber is far from dead, offering a significant power advantage over 9mm in the same frame size. While 9mm is currently more popular, .40 S&W remains widely available and effective for self-defense, with historical roots in law enforcement adoption following the 10mm. Tests suggest .40 S&W provides better penetration and larger wound cavities than 9mm, making it a compelling choice for many shooters.

Quick Summary

The .40 S&W caliber is far from dead, offering a significant power advantage over 9mm in the same frame size. While 9mm is currently more popular, .40 S&W remains widely available and effective for self-defense, with historical roots in law enforcement adoption.

Chapters

  1. 00:00Intro: Is the .40 S&W Dead?
  2. 00:56Shooting the 9mm Glock 19
  3. 01:08Shooting the .40 S&W Glock 23
  4. 03:39Current Market Status of .40 S&W
  5. 04:52History: FBI & Law Enforcement Adoption
  6. 07:30Technical Advantages: Penetration & Wound Cavity
  7. 10:09Conclusion: .40 S&W is Not Dead

Frequently Asked Questions

Is the .40 S&W caliber still relevant for self-defense?

Yes, the .40 S&W is still considered a viable and effective self-defense round. Despite the popularity of 9mm, .40 S&W offers greater penetration and larger wound cavities, making it a potent choice for personal protection.

What are the main differences between a Glock 19 and Glock 23?

The Glock 19 and Glock 23 are physically identical in size and weight. The primary difference lies in their caliber: the Glock 19 is chambered in 9mm, while the Glock 23 is chambered in .40 S&W.

Why did law enforcement adopt the .40 S&W caliber?

Law enforcement, including the FBI, widely adopted the .40 S&W in the 1990s. This decision followed the 1986 Miami shootout and the subsequent move away from the heavier 10mm cartridge, seeking a balance of power and manageable recoil.

Does the .40 S&W have advantages over 9mm in terminal ballistics?

According to some tests, the .40 S&W typically demonstrates better penetration capabilities and creates larger permanent wound cavities compared to the 9mm cartridge, offering a potential ballistic advantage.

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