Wet vs Dry 22 Silencers/Suppressors

This article has a great comparison between wet and dry suppressors. It also includes some great videos.

The term ‘wet’ means some sort of liquid, be it oil, water, grease, gel or another substance is used to cool the gasses exiting the suppressor. The gas leaving muzzle or suppressor is what causes most of the noise.

 Wikipedia En F F9 Suppressors

From wikipedia.org:

“Wet” suppressors or “wet cans” use a small quantity of water, oil, grease or water-based wire-pulling lubricant in the expansion chambers to cool the propellant gases and reduce their volume (See ideal gas law). The coolant lasts only a few shots before it must be replenished, but while it lasts it can greatly increase the effectiveness of the suppressor. One manufacturer claims a 30% improvement in sound suppression for “four magazines” (32 to 68 rounds) with the addition of 5 ml (one teaspoon) of water or light oil to their suppressor.

I am a big fan of suppressors and own two. I have a .22LR and a .22 Hornet suppressor. My hornet suppressor can also be used on a .22LR or .22 Magnum (WMR).

In the near future I am going give ultrasound gel a try and see how it works.

Article : Wet vs Dry 22 Silencers

Steve Johnson

Founder and Dictator-In-Chief of TFB. A passionate gun owner, a shooting enthusiast and totally tacti-uncool. Favorite first date location: any gun range. Steve can be contacted here.


  • Jono

    A silencer would be so cool

  • Mark

    I am sorely tempted to stuff some steel wool in my Parker-Hale .22 suppressor…its steel so I figure there isnt much risk of the wire melting and damaging the baffles.
    I have found it quieter for maybe 2 or 3 shots using the suppressor immediately after cleaning and light oiling. It smokes a bit too!

  • I thought the parker hale design was baffle/baffle/baffle/… Were would you put the steel wool? Once technique is to coat the steel wool in thick grease, apparently it helps much like oil.

  • N/A

    There link no longer works

  • N/A, looks like they are now charging for articles.

    What it comes down to is that wet (oil or gel) works better than dry. Water evaporates quickly so it not much good for more than a couple of shots.

  • jay

    NY Stinks for any weapon. Even have restrictions on lights placed on the gun. We can’t get any fun stuff here

  • Doug Barnes

    Don’t know if you know Tim Schmidt at US Concealed Carry but he demonstrates a wet supressor here with a .45 Glock.

  • guenter roick

    Are you people in the US allowed to hunt with silencers you own legally? We are hunting. For instance using a CAP silencer taken 5 Oryx with 5 shots within half an hour on first outing with a .270. Next time out 160 Oryx culled in a week with the same .270 standard ammo. It would not have been possible without silencer. Adding liquid has no practical value under field conditions. There is a distinction between playing on a shooting range and soundig interesting and doing real work with a silencer. Furthermore, exiting and decompressing gasses cool anyway, if they would not cool your fridge and your aircon would not work.