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SureFire Ultra LED Handgun or Long Gun WeaponLight with Laser, 500 Lumens, Pistol Grip/Long Gun Forend Switch, Red Laser

SKU: SFX400UARD MFR: X400U-A-RD
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Key Features

  • Enhance accuracy with this SureFire weaponlight laser combo, perfect for quick target acquisition.
  • Experience 500 lumens of bright white light, ideal for navigating low-light tactical situations.
  • Durable construction ensures this SureFire laser sight withstands rigorous use on handguns/long guns.
  • Enjoy extended battery life with a 1.5-hour runtime, keeping your weaponlight ready when needed.
  • Easily mount this laser sight on Picatinny or Universal rails for versatile compatibility options.
  • Adjust your aim swiftly with the precise red laser, improving your shooting gear's effectiveness.
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Special Order?Estimated to Ship: 09/13/2025
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SureFire X400U-A Specifications

  • Fits

    Handguns and long guns with Picatinny or Universal rails

  • Max Output - White Light

    500 Lumens

  • Tactical Runtime

    1.5 hours

  • Max Output - Laser

    5.0 mW

  • Length

    3.6" / 9.14cm

  • Bezel Diameter

    1.125" / 2.85cm

  • Weight with Batteries

    4.9oz / 138.91g

  • UPC Code

    084871321211

About SureFire X400U-A

SureFire Ultra LED Handgun or Long Gun WeaponLight with Red Laser integrates stunningly powerful white-light illumination and 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.

A high-performance LED generates 500 lumens of brilliant white light that is focused by a Total Internal Reflection (TIR) lens to produce a tight beam with extended reach and significant surround light for peripheral vision. The Ultra WeaponLight produces tactical-level light enough to overwhelm an aggressor's dark-adapted vision for 1.5 hours per set of batteries.

The WeaponLight 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 Ultra WeaponLight is done 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 WeaponLight 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 Ultra WeaponLight.

Optional DG grip switches (for pistols) and a pressure activated XT07 tape switch (for long guns) permit the x400 Ultra to be activated without altering your grip on your weapon.

The versatile Ultra WeaponLight 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.

SureFire X400U-A Features

  • Virtually indestructible 500-lumen LED regulated to maximize output and runtime
  • High-visibility 5 mW red 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

Warranty Information

This product has a limited lifetime warranty.

Key Features

  • Enhance accuracy with this SureFire weaponlight laser combo, perfect for quick target acquisition.
  • Experience 500 lumens of bright white light, ideal for navigating low-light tactical situations.
  • Durable construction ensures this SureFire laser sight withstands rigorous use on handguns/long guns.
  • Enjoy extended battery life with a 1.5-hour runtime, keeping your weaponlight ready when needed.
  • Easily mount this laser sight on Picatinny or Universal rails for versatile compatibility options.
  • Adjust your aim swiftly with the precise red laser, improving your shooting gear's effectiveness.

What's in the box:

  • SureFire Ultra LED Handgun or Long Gun WeaponLight with Laser
  • 2 x 123A batteries
  • SureFire Warranty