The World’s SMALLEST 9mm Semi Auto Handgun

Published on March 7, 2026
Duration: 1:02

This video provides an expert review of the Diamondback DB9 Gen 4, emphasizing its status as one of the smallest 9mm semi-auto handguns. The instructor, demonstrating experienced authority, highlights its suitability for deep concealment and professionals in trades. Key takeaways include its Glock sight compatibility, manageable recoil compared to a .357 Magnum, and consistent reliability. The video also touches on the power of DoubleTap defensive rounds and offers practical advice for concealed carry.

Quick Summary

The Diamondback DB9 Gen 4 is recognized as one of the world's smallest 9mm semi-automatic handguns, ideal for deep concealment and pocket carry. An experienced instructor notes its surprisingly manageable recoil, comparable to a .357 Magnum snubnose, and highlights its consistent reliability with zero malfunctions reported. It also features Glock sight compatibility and Glock-style disassembly.

Chapters

  1. 00:00Introduction to DB9 Gen 4
  2. 00:05Ideal concealed carry gun
  3. 00:11Solution for tradesmen
  4. 00:20Emphasizing Gen 4 model
  5. 00:25Ammunition type and power
  6. 00:31Glock compatibility and recoil comparison
  7. 00:39Recoil assessment
  8. 00:49Live fire demonstration
  9. 00:54Reliability claim

Frequently Asked Questions

What makes the Diamondback DB9 Gen 4 ideal for concealed carry?

The Diamondback DB9 Gen 4 is exceptionally suited for concealed carry due to its status as one of the world's smallest 9mm semi-automatic handguns, making it perfect for deep concealment and pocket carry, even in professional environments where larger firearms are impractical.

How does the recoil of the DB9 Gen 4 compare to other firearms?

According to the expert instructor, the recoil of the Diamondback DB9 Gen 4 is surprisingly manageable and less harsh than one might expect for such a compact firearm. It's favorably compared to the recoil experienced with a .357 Magnum snubnose revolver.

Is the Diamondback DB9 Gen 4 reliable?

Yes, the speaker explicitly states that the Diamondback DB9 Gen 4 has proven to be highly reliable, reporting that it has never experienced a single problem or malfunction during its use and demonstration. The Gen 4 model is specifically recommended over earlier versions.

What are the key features of the Diamondback DB9 Gen 4?

Key features include its extremely small size for a 9mm, compatibility with Glock sights, and Glock-style disassembly. It's highlighted for its suitability for tradesmen and professionals needing a discreet carry option, performing like a .380 but with 9mm power.

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