Why 10mm Auto Was a Total Disaster for the FBI

Published on August 29, 2024
Duration: 23:07

The FBI's brief adoption of the 10mm Auto in 1989, primarily with the Smith & Wesson Model 1076, proved disastrous due to mechanical issues and complexity. This led to the development of the '10mm Lite' and ultimately the .40 S&W cartridge, which was quickly adopted by Glock and dominated law enforcement for decades. The 10mm Auto's potential was recognized, but its practical implementation by the FBI failed.

Quick Summary

The FBI adopted the 10mm Auto and Smith & Wesson Model 1076 in 1989 but canceled the contract within three years due to mechanical defects and complexity. The full-power 10mm was also too difficult for recruits, leading to the development of the '10mm Lite' and ultimately the .40 S&W.

Chapters

  1. 00:00The FBI's 10mm Experiment
  2. 01:12Origins of the .40 Caliber Concept
  3. 02:28The Rise of Glock
  4. 03:14Development of 10mm Auto
  5. 04:55The 1986 Miami Shootout
  6. 06:50FBI Ballistics Re-evaluation
  7. 08:01The Centimeter and Competitive Shooting
  8. 10:23FBI Adoption of 10mm Lite
  9. 12:19The Smith & Wesson 1076 Contract
  10. 14:00The Birth of .40 S&W
  11. 16:22Failure of the 1076
  12. 19:04The Aftermath and Glock Dominance

Frequently Asked Questions

Why did the FBI abandon the 10mm Auto cartridge?

The FBI adopted the 10mm Auto in 1989 but abandoned it within three years due to mechanical defects and complexity with the chosen firearm, the Smith & Wesson Model 1076. The full-power cartridge was also deemed too difficult for many agents to handle effectively.

What cartridge replaced the 10mm Auto for the FBI?

Following the issues with the 10mm Auto and the Model 1076, the FBI developed and adopted the .40 S&W cartridge. This caliber offered a balance of power and manageable recoil, fitting into smaller, 9mm-sized frames.

What were the main problems with the Smith & Wesson Model 1076?

The Smith & Wesson Model 1076, chosen by the FBI for its 10mm Auto program, suffered from mechanical defects like stuck slides. It was also criticized for being too heavy and having a grip too large for many agents.

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

Smith & Wesson realized the FBI's '10mm Lite' load could be adapted for a 9mm-sized frame. They secretly developed the .40 S&W with Winchester, aiming for a more practical law enforcement round than the full-power 10mm.

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