Surefire X300 Ultra Weaponlight White LED 1000 Lumens that fits picatinny and universal for pistols. This enhanced version of Surefire's best selling X300 Ultra now delivers a stunning 1000 Lumens of LED-generated outputt focused by a precision TIR lens, creating a far-reaching high intensity beam with a larger center spot that offers the power to positively identify threats at signigicant distances while temporarily impairing and adversay's vision. The intense beam also provides extensive peripheral illumination for maintaining situational awareness. Activating the X300 Ultra is done via ambidextrous switching located at the rear of the body, providing one-finger contol. Press the switch on either side for momentary on activation and flip up or down for canstant on activation. Optional DG grop switches for pistols and a pressure activated XT07 tape switch for long guns permit the X300 Ultra to be activated without altering your grip on your weapon. The X300 Ultra can be attached to a pistol or a long gun since its Rail-Lock system permits rapid attachment to and removal from either rail system. Its high strength aerospace aluminum body is Mil-Spec Hard Anodized for superior toughness and is O-ring and gasket sealed to make it weatherproof.