SureFire X300U-B Ultra WeaponLight - 1,000 Lumens, T-Slot Thumbscrew Mount
The SureFire X300U-B is an ultra-high-output LED WeaponLight built around a precision TIR lens for a far-reaching beam with usable spill. Output is rated at 1,000 lumens with 11,300 candela peak beam intensity and a 213-meter beam distance.
The B-Model uses a T-slot thumbscrew clamp for secure attachment to Universal and Picatinny accessory rails. Ambidextrous push/toggle switching supports momentary-on or constant-on activation, and the aluminum body features a Mil-Spec hard anodized finish with IPX7 liquid ingress protection.