Surefire X400 Ultra - Red Laser & 500 Lumen Light #X400U-A-RD

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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 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
  • Includes high-energy 123A batteries with 10-year shelf life


  • Max Output - White Light: 500 Lumens
  • Tactical Runtime**: 1.5 hours
  • Max Output - Laser: 5.0 mW
  • Length: 3.6 inches
  • Bezel Diameter: 1.125 inches
  • Weight w/Batteries: 4.9 ounces
  • Batteries: 2x [CR123A  (included)]

** Runtime (at highest setting for multiple-output lights) until output drops below 50 lumens.
X400UARD - 084871321211

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