Why Is It Still Loud?

Published on August 1, 2024
Duration: 8:52

This video from hickok45 provides an expert demonstration and explanation of why suppressed firearms can still be loud. He details the physics of gunshot noise, differentiating between muzzle pop and supersonic crack. The guide highlights the critical role of subsonic ammunition in achieving maximum suppression effectiveness, a key takeaway from his decades of experience.

Quick Summary

For maximum quietness with a suppressed .300 Blackout rifle, subsonic ammunition is essential. While suppressors manage muzzle pop from gas expansion, they don't slow bullets. Supersonic rounds still create a loud 'crack' as they break the sound barrier; subsonic rounds eliminate this, providing a dramatically quieter shooting experience.

Chapters

  1. 00:00Initial Shooting Demo
  2. 01:16Physics of Gunshot Noise
  3. 03:46Suppressor Benefits
  4. 05:31Subsonic Ammunition Demo
  5. 07:20Conclusion on Suppression

Frequently Asked Questions

Why is a suppressed .300 Blackout rifle still loud?

A suppressed .300 Blackout rifle can still be loud primarily due to the 'supersonic crack' produced when the bullet travels faster than the speed of sound. While a suppressor manages the 'muzzle pop' from expanding gases, it doesn't slow the bullet down below Mach 1.

What is the difference between supersonic and subsonic .300 Blackout ammunition for suppressed shooting?

Supersonic .300 Blackout ammunition travels above the speed of sound, creating an audible crack even when suppressed. Subsonic .300 Blackout ammunition travels below the speed of sound, eliminating this crack and resulting in significantly quieter shots when used with a suppressor.

How do suppressors work to reduce gunshot noise?

Suppressors work by containing and slowing down the rapidly expanding gases exiting the muzzle after a shot. This process reduces the 'muzzle pop' component of gunshot noise. However, they do not affect the bullet's velocity, so a supersonic bullet will still produce a sonic crack.

What is the best ammunition for maximum quietness with a suppressed .300 Blackout?

For the quietest shooting experience with a suppressed .300 Blackout, you should use subsonic ammunition. Specifically, 220-grain subsonic loads are demonstrated to be highly effective at keeping the bullet below the speed of sound, thus eliminating the supersonic crack.

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