This is a Surefire Cover, model F07-A.
The F07-A is a clear filter for flashlights and Weapon Lights with a 1.125" bezel diameter. Provides protection against carbon buildup and impact to flashlight and Weapon Light windows.
Features:
Fits 1.125 diameter bezels;Prevents carbon buildup on Weapon Light window;Slips over bezel, friction fit
