9mm VS .40 S&W

Published on November 4, 2020
Duration: 15:33

This video compares the 9mm and .40 S&W calibers through shooting and reviewing various police turn-in pistols. It highlights the perceived recoil differences, with the .40 S&W being 'snappier' but manageable, and discusses the historical development of the .40 S&W as a response to the FBI's needs for greater stopping power than 9mm. The review also touches on technical aspects like Glock slide interchangeability and showcases specific models from SDS Imports, Glock, and Smith & Wesson.

Quick Summary

The .40 S&W caliber was created for the FBI as a '10mm short,' aiming for more stopping power than 9mm with less recoil than 10mm. While often described as 'snappier,' its perceived recoil varies by firearm, with some .40 S&W pistols feeling softer than certain 9mm models.

Chapters

  1. 00:00Introduction & Zigana PX-9 Shooting
  2. 01:32Glock 17 Gen 4 (9mm) Performance
  3. 02:16Glock 22 Gen 4 (.40 S&W) Comparison
  4. 02:52Smith & Wesson M&P 40 Review
  5. 03:54History of .40 S&W vs. 9mm
  6. 06:05Glock Technical Interchangeability & Glock 26
  7. 07:16Giveaway: DSA SA58 Rifle

Frequently Asked Questions

What is the historical origin of the .40 S&W caliber?

The .40 S&W caliber was developed for the FBI as a '10mm short.' It aimed to provide greater stopping power than the 9mm cartridge while offering less recoil than the full-power 10mm.

How does the recoil of a .40 S&W compare to a 9mm?

Generally, .40 S&W is considered 'snappier' than 9mm due to higher pressure and velocity. However, factors like firearm design and individual perception mean some .40 S&W pistols can feel like they have less recoil than certain 9mm models.

Can Glock slides be interchanged between 9mm and .40 S&W?

Glock slides designed for .40 S&W (like the Glock 22) can often accept 9mm barrels. However, 9mm slides (like the Glock 17) cannot typically accept .40 S&W barrels due to differences in barrel diameter.

Are law enforcement agencies still widely using .40 S&W?

While .40 S&W was popular for a time, many law enforcement agencies are reportedly moving away from it. There's a noticeable trend towards adopting 9mm pistols again, often due to advancements in ammunition technology and capacity benefits.

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