Getting Shot At: What Do Bullets Sound Like?

Published on March 25, 2022
Duration: 16:03

This experiment analyzes the distinct sound signatures of various firearms, from pistols to rifles and shotguns, by recording bullets passing overhead. Key findings indicate that while most supersonic rifle rounds produce a similar 'crack,' the accompanying 'thud' and weapon report vary significantly based on caliber, barrel length, and firearm type. Suppressed firearms and subsonic projectiles alter these sound profiles.

Quick Summary

The sound of bullets passing overhead was recorded from a downrange perspective. While most supersonic rifle rounds produce a similar 'crack,' the accompanying 'thud' and weapon report vary significantly by caliber and barrel length. A suppressed 5.56mm round still produced a distinct crack.

Chapters

  1. 00:15Introduction: Bullet Sound Experiment
  2. 01:22Firearms Lineup: Glock, MK18, AKs, FAL & More
  3. 02:479mm Glock 19 Sound Test
  4. 03:07Suppressed 5.56 MK18 Bullet Crack
  5. 04:08Unsuppressed 5.56 CAR-15 Sound
  6. 04:535.45x39 AK-74 Sound Signature
  7. 05:317.62x39 AKM Thud vs Crack
  8. 06:1812 Gauge Shotgun Slug Sound
  9. 07:097.62x51 FAL Terrifying Sound
  10. 08:318mm Mauser Kar98k Heavy Crack
  11. 09:377.62x54R Mosin-Nagant Sound
  12. 10:27Caliber Comparison: Bullet Sound Summary

Frequently Asked Questions

What is the primary goal of the Administrative Results bullet sound experiment?

The primary goal is to safely record and analyze the distinct sound of bullets passing overhead from a downrange perspective, using a dirt mound for cover, to understand ballistic acoustics.

Does a suppressed 5.56mm round make a distinct sound when passing overhead?

Yes, even with a suppressor, a suppressed MK18 firing 5.56mm rounds at 50 yards produced a very distinct supersonic 'crack' as the bullet passed the camera.

How does the sound of a 7.62x39mm AKM differ from smaller calibers like 5.56mm?

The 7.62x39mm AKM has a 'thicker thud' in its sound signature compared to smaller calibers, although the supersonic crack remains prominent.

Can you hear the supersonic crack of a 9mm pistol round at 25 yards?

No, at 25 yards, only the gunshot is audible. The projectile's distinct 'zip' or supersonic 'crack' is not discernible from the downrange perspective at this distance.

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