Do Not Suppress This Round!

Published on October 21, 2025
Duration: 1:12

This review tests the effectiveness of suppressing the .17 HMR round. Despite using a Volquartsen VT2 rifle and a suppressor, the high supersonic velocity of the .17 HMR creates a significant sonic crack, rendering it poorly suited for quiet suppression. The test confirms that even with hearing protection, the suppressed .17 HMR remains loud.

Quick Summary

Suppressing the .17 HMR is generally ineffective for achieving quiet shooting because the round travels at supersonic speeds. This creates a loud sonic crack independent of the suppressor's ability to reduce muzzle blast, making it a poor candidate for stealthy operation.

Chapters

  1. 00:00Intro: .17 HMR Suppression Skepticism
  2. 00:12Ballistics: Supersonic Speed & Sonic Crack
  3. 00:29Setup: Volquartsen VT2 & Suppressor Install
  4. 00:58Live Fire Test: Suppressed .17 HMR Results

Frequently Asked Questions

Why is the .17 HMR difficult to suppress effectively?

The .17 HMR round travels at supersonic speeds. This means it creates a loud sonic crack as it breaks the sound barrier, which a suppressor cannot eliminate. The suppressor only affects the muzzle blast, not the sonic boom generated by the bullet itself.

What rifle was used in the .17 HMR suppression test?

The test utilized a Volquartsen VT2 rifle. This particular firearm was chosen for the demonstration of suppressing the .17 HMR ammunition to evaluate its acoustic performance.

Can a suppressor make the .17 HMR quiet?

No, a suppressor does not make the .17 HMR quiet. While it can reduce the muzzle blast, the bullet's supersonic velocity inherently creates a significant sonic crack that remains loud, even with hearing protection.

What is the relationship between .17 HMR and .22 Magnum?

The .17 HMR is essentially a necked-down version of the .22 Magnum. This means it uses a similar casing but is designed to fire a smaller, faster projectile, influencing its ballistic characteristics and suppression potential.

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