SureFire X300 - LED Handgun / Long Gun WeaponLight - High-Output Tactical Mounted Flashlight - 2012 Model (170 Lumens / 2.4 Hours) X300 Black Virtually indestructible LED regulated to maximize output and runtime Tactical-level output with TIR lens for close- to medium-range applications Quick-detach rail clamp Submersible to 22 meters Accepts optional pistol grip and long gun forend switches