Originally Posted by
Archer1440
With 100 straight days over 95 degrees this past summer, I finally sprung for a set of Otto active in ear plugs to substitute for my Sordins. Excellent performance and completely effective outdoors with anything short of USPSA Open pistol with really good isolation from impulse noise (-38 db with Shure olive tips) and at least as fast as the Sordins in recovery time. Indoors, I run them under the Sordins and get the concussion isolation and the extra protection needed with SBR sound levels indoors.