SureFire X400 Ultra Tactical WeaponLight with Green Laser

Item Code: X400U-A-GN
  • Virtually indestructible 500-lumen LED
  • High-visibility 5 mW green laser sight
  • TIR lens for close
  • Quick-detach rail clamp
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    The SureFire X400 Ultra Tactical WeaponLight with Green Laser combines a powerful white-light ith bright green laser aiming capabilities in one compact rail-mountable package, an extremely effective combination for close- to medium-range engagements in law enforcement, military, and self-defense applications.

    The LED emits 500 lumens of brilliant white light focused with a Total Internal Reflection (TIR) lens to produce a tight beam with extended reach and plenty of ambient light for peripheral vision. The X400 Ultra produces tactical-level light enough to overwhelm an aggressor's dark-adapted vision for 1.5 hours per set of batteries.

    The X400 Ultra's 5-milliwatt laser sight, located below the primary light, emits a high-visibility green (505 nM) beam. The laser's aiming adjustment mechanism uses Nylok screws that won't back out from the effects of recoil, which means it rarely needs to be re-zeroed.

    Activating the X400 Ultra is done via ambidextrous switching located at the rear of body, providing one-finger control press the switch on either side for momentary-on activation, flip up or down for constant-on activation. A separate switch at the rear of the X400 Ultra allows you to (1) activate white light illumination only, (2) activate white light illumination simultaneously with the laser sight, (3) activate the laser sight only, or (4) disable the entire X400 Ultra. See illustration at upper left.

    The versatile X400 Ultra can be attached to a pistol or a long gun since its Rail-Lock system permits rapid attachment/detachment from either Universal or Picatinny rails. Its high-strength aerospace aluminum body is Mil-Spec hard anodized for superior toughness and corrosion resistance and is O-ring and gasket sealed to keep out dust and moisture.


        • Virtually indestructible 500-lumen LED regulated to maximize output and runtime
        • High-visibility 5 mW green laser sight
        • TIR lens for close- to medium-range applications
        • Quick-detach rail clamp with adapters for Picatinny and Universal rails
        • Accepts optional pistol grip and long gun forend switches
        • Construction High-strength aerospace aluminum with Mil-Spec anodizing; impact-resistant polymer; coated tempered window
        • Weatherproof O-ring and gasket sealed
        • Includes high-energy 123A batteries with 10-year shelf life


        • Max Output: 500 Lumens
        • Runtime: 1.5 Hours
        • Laser Max Output: 5 mW
        • Length: 3.6"
        • Bezel Diameter: 1.125"
        • Weight w/ Batteries: 4.9 ounces
        • Batteries: 2 123A )included)
    WARNING: This product may contain chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. For more information, go to

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