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SureFire X400UH Weapon Light and Laser


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SureFire X400UH

The SureFire X400UH is a compact and powerful weapon light and laser that was created to be used with Surefire’s Master Fire Rapid Deploy Holster. It features a bezel with cam slots, and pin slots on both sides of the body, that lock the light into the holster. The light is designed to automatically activate when the drawn from the Master Fire Holster. This saves valuable time in a high stress situation.

The X400UH features a recoil proof LED covered with a proprietary TIR lens that focuses 1000 lumens of light into smooth beam. The 5-milliwatt green or red laser sight is visible to the human eye, and will rarely need re-zeroing thanks to the Nylok adjustment screws. It has a lightweight but strong aerospace aluminum body finished with Mil-Spec hard anodizing provide toughness, while O rings and gasket sealing make it weatherproof.

The light has an ambidextrous switch located at the rear of the body, this provides one finger control. The optional DG grip switches and tape switches, which permit the SureFire X400UH to be activated without at all altering your grip on your weapon, are also available. The weapon light can be easily attached to any pistol or long gun equipped with a universal or Picatinny rail.

SureFire X400UH Features

Cam slotted bezel and rear locking lugs on battery housing interface with Master Fire holster for secure weapon retention

Serves as the interface for the Master Fire holster system for almost any pistol with a tactical rail

High performance LED produces 1000 lumens

Custom TIR lens creates smooth, far reaching light with a larger center spot beam

< 5mW (515nm) Green laser or < 5mW (635nm) Red laser sight is visible to the human eye and rarely needs re-zeroing

Ambidextrous momentary and constant on switching

Attaches to both Universal and Picatinny accessory rails

Weatherproof O-ring and gasket sealing

High strength aerospace aluminum body

Mil-Spec hard anodized for durability


Bezel Diameter 1.25 inches
Length 3.7 inches
Weight with Batteries 4.9 oz
Output White 1,000 Lumens
Runtime White 1.25 Hours
Output Laser (mw) <5mW (515nm) Class IIIa Green Laser

<5mW (635nm) Class IIIa Red Laser

24 hours (laser)


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