The Worlds Quietest Bullet: 22 Colibrí…

Published on July 19, 2025
Duration: 6:40

The Aguila Super Colibrí .22 LR is a primer-only round, making it exceptionally quiet, often quieter than a hand clap or pellet gun. While ideal for indoor pest control due to its low noise, it fails to cycle semi-automatic firearms and has significantly reduced energy compared to standard .22 LR, with only 3-4 inches of penetration in ballistics gel. Testing in various platforms revealed it performs best in long-barreled rifles.

Quick Summary

The Aguila Super Colibrí .22 LR is the world's quietest bullet, utilizing a primer-only design without gunpowder for minimal noise. While ideal for indoor pest control, it lacks the energy to cycle semi-automatic firearms and has significantly reduced penetration compared to standard .22 LR.

Chapters

  1. 00:00Intro: World's Quietest Bullet?
  2. 00:20Initial Sound Test Comparison
  3. 00:34Testing in Revolvers & Semi-Autos
  4. 02:21Rifle Performance Test
  5. 02:51Technical: Primer-Only Design
  6. 03:14Energy & Accuracy Tests
  7. 04:53Ballistics Gel Penetration
  8. 06:05Conclusion & Pros/Cons

Frequently Asked Questions

What makes the Aguila Super Colibrí .22 LR so quiet?

The Aguila Super Colibrí is exceptionally quiet because it's a primer-only round. It contains no gunpowder, relying solely on the primer's ignition charge to propel the bullet, resulting in a significantly reduced noise signature compared to conventional ammunition.

Can the Aguila Super Colibrí cycle semi-automatic firearms?

No, the Aguila Super Colibrí typically cannot cycle semi-automatic firearms. Its lack of gunpowder means there isn't enough energy to operate the action, causing malfunctions like failure to feed or eject.

How does the energy of the Super Colibrí compare to standard .22 LR?

The Super Colibrí has considerably less energy than standard .22 LR. Penetration tests in ballistics gel show it achieves only about 3-4 inches of depth, roughly one-third the power of typical .22 LR rounds.

What are the best uses for the Aguila Super Colibrí .22 LR?

Due to its extreme quietness and low power, the Super Colibrí is best suited for indoor pest control or varmint removal in residential areas where noise is a concern and minimal penetration is desired.

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