10MM "THE STORY OF AN AMAZING ROUND!"

Published on April 11, 2011
Duration: 10:06

The 10mm Auto, developed by Jeff Cooper in 1983, offers superior ballistics to the .45 ACP. While the Colt Delta Elite and Glock 20/29 models keep the caliber relevant, its adoption by law enforcement was short-lived due to recoil, leading to the .40 S&W. Ammunition performance varies, with loads like DoubleTap's 125gr reaching 1600 fps.

Quick Summary

The 10mm Auto, developed by Jeff Cooper in 1983, offers superior ballistics to the .45 ACP. Key firearms include the Colt Delta Elite and Glock 20/29. While powerful, its high recoil led law enforcement away from it, favoring the .40 S&W.

Chapters

  1. 00:00Intro to the 10mm Round
  2. 01:12History: Jeff Cooper & Development
  3. 03:08Colt Delta Elite: A 10mm Icon
  4. 04:08Glock 10mm Models: G20 & G29
  5. 06:01FBI, Miami Shootout & .40 S&W
  6. 07:0310mm Ammunition Performance Review

Frequently Asked Questions

Who invented the 10mm Auto cartridge and why?

The 10mm Auto was invented in 1983 by Jeff Cooper, a firearms pioneer. His goal was to create a high-energy semi-automatic cartridge with superior external ballistics compared to the .45 ACP.

What are the main firearms associated with the 10mm Auto?

Key firearms include the Colt Delta Elite, which helped establish the caliber, and Glock's 10mm offerings like the full-size Glock 20 and the subcompact Glock 29.

Why did the FBI stop using the 10mm Auto?

Although adopted after the 1986 Miami Shootout, the FBI found the 10mm's high recoil problematic for law enforcement officers, leading them to transition to the less powerful .40 S&W.

What kind of performance can be expected from 10mm ammunition?

Performance varies by load. For example, DoubleTap offers 125gr loads at 1600 fps, while Cor-Bon provides 180gr loads at 1350 fps, showcasing the caliber's significant power.

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