Feb 8, 2011 #1 T tenaciousj Newly Enlightened Joined Dec 21, 2008 Messages 15 it is my understanding that most major manufacturers(surefire/fenix/4sevens/streamlight) o-rings are nitrile. are there any lights in production that utilize silicone or polyurethane?
it is my understanding that most major manufacturers(surefire/fenix/4sevens/streamlight) o-rings are nitrile. are there any lights in production that utilize silicone or polyurethane?