Pistol Suppressors Explained Home / Pistol Anatomy / Barrel / Suppressor

How Suppressors Work

Image of Bryan Hill, Founder of Pistol Wizard Bryan Hill / December 08 2021



    Noise reduction of 14-43 decibels. The noise reduction depends on:
    • Suppressor length. Longer is quieter.
    • .
    • If you use subsonic or supersonic ammo.
A suppressor is well-suited for home defense.


  • Extra length. A compact suppressor is at least 4 inches long.
    A full-size suppressor is up to 10.25 inches.

Best Uses

  • Home defense.