SureFire X300U-B Ultra Weapon Light — 1,000 Lumens

SureFire X300U-B Ultra Weapon Light — LED white light for mounted use

The SureFire X300U-B is an ultra-high-output weapon light that produces 1,000 lumens of white LED output to support low-light identification and situational awareness when mounted on handguns or long guns.

Core description

Designed for use as an accessory on pistols and long guns, the X300U-B supplies a focused beam with a larger center spot and surrounding spill to assist with target identification and scene illumination at close to medium ranges. Ambidextrous controls provide one-finger selection of momentary or constant operation while the compact, rugged housing is built for field use and environmental exposure.

Key features

• Output: 1,000 lumens of white LED light.
• Beam performance: peak beam intensity 11,300 candela and published distance 213 meters.
• Runtime: approximately 1.25 hours on included batteries.
• Power: operates from two CR123A (CR-123A) lithium batteries; two included.
• Construction: high-strength aerospace aluminum body with Mil-Spec hard anodized finish for scratch and corrosion resistance.
• Water resistance: IPX7 waterproof rating (submersible to 1 meter for 30 minutes).
• Switching: integral ambidextrous push/button and toggle for momentary- and constant-on activation.
• Mounting: T-slot thumbscrew clamp / rail-lock system fits Universal and Picatinny accessory rails on many handguns and long guns.
• Accessory support: accepts optional DG pressure-activated handgun grip switch and XT remote switch for long-gun activation.

Specifications & construction

• Material: aluminum body
• Finish: Mil-Spec hard anodized (matte black)
• Head / bezel diameter: 1.125 in
• Weight (with batteries): 4.10 oz
• Optics: precision TIR lens for a focused center spot plus spill light
• Ingress protection: IPX7 waterproof

Compatibility & intended use

The X300U-B is intended for mounting on pistols and long guns that provide a Universal-style or Picatinny accessory rail. Typical applications include duty, patrol, range, training, and general low-light shooting where a compact, rail-mounted white light is required. It accepts optional remote switches to allow activation without altering grip.