Surefire X300 Ultra Weapon Light TAN Universal/Picatinny Thumb Screw Mount Now delivers a stunning 1,000 lumens of LED-generated output 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 significant distances while temporarily impairing an adversarys vision.T-slot thumbscrew clamp attaches securely to the Universal and Picatinny rails found on most handguns. Features integral one- finger ambidextrous momentary- and constant-on switching and can be equipped with SureFires optional DG handgun grip switch. This versatile Weapon Light also attaches to the Picatinny rails on long guns more securely than ever before and can be activated via an optional XT remote switch that gives you precision control of the light while letting you maintain a proper grip on your weapon. *Special high-performance LED produces 1,000 lumens *Custom TIR lens creates smooth, far-reaching light with a larger center spot beam *Integral ambidextrous momentary- and constant-on switching *Attaches securely to both Universal and Picatinny accessory rails *IPX7 waterproof to 1 meter for 30 minutes *High-strength aerospace aluminum body, Mil-Spec Hard Anodized *Accepts optional pressure-activated DG and XT remote switches for precision control without altering grip on weapon *Made in the USA