Aren't 10mm & .40 S&W the Same?

Published on December 27, 2024
Duration: 0:57

This video compares the 10mm Auto and .40 S&W pistol cartridges, highlighting their historical connection and performance differences. The 10mm, developed in the 1980s, offers higher velocity and energy, while the .40 S&W was created by the FBI as a reduced-power derivative due to recoil concerns. Although .40 S&W's popularity is waning, 10mm remains a potent, albeit niche, option.

Quick Summary

The 10mm Auto typically achieves 1,200 fps with 600 ft-lbs of energy, while the .40 S&W, developed from it, achieves 1,000 fps with 400 ft-lbs. The .40 S&W was created by the FBI seeking reduced recoil compared to the 10mm.

Chapters

  1. 00:00Introduction: 10mm & .40 S&W Similarities & Differences
  2. 00:07Historical Context: 10mm Origins & .40 S&W Development
  3. 00:15The FBI Connection: Why .40 S&W Was Created
  4. 00:29Market Popularity: 10mm vs .40 S&W Trends
  5. 00:39Ballistic Performance: Velocity & Energy Comparison

Frequently Asked Questions

What is the main difference in performance between 10mm and .40 S&W?

The 10mm Auto cartridge typically offers higher performance, pushing projectiles around 1,200 fps with approximately 600 ft-lbs of energy. The .40 S&W, a derivative, is generally slower at 1,000 fps with about 400 ft-lbs of energy.

How did the .40 S&W cartridge come about?

The .40 S&W was developed in 1990 as a direct response to the FBI's experience with the 10mm. They found the 10mm's recoil excessive, so the .40 S&W was created as a smaller, lower-velocity version of the 10mm case.

Is the 10mm cartridge still relevant today?

Yes, the 10mm remains a relevant, albeit niche, cartridge. While its popularity isn't as widespread as some other calibers, it is known for its significant power and is favored by enthusiasts seeking higher performance in handguns.

What are the historical origins of the 10mm cartridge?

The 10mm cartridge was developed in the early 1980s. It gained prominence partly due to its adoption by some law enforcement agencies before the development of the .40 S&W.

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