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Customer Reviews
Helpful Positive Review SureFire Product by Gen Lee, Verified Owner, December 11, 2023
I’m a big fan of the Masterfire holster system and this is one of the only ways to use IR light with your pistol/holster combo in combination with night-vision. It’s expensive, but the unit can double as a rifle mounted or PDW light as well in a pinc...
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2/2 found this helpful
Most Recent Reviews Excellent for nvg by Nvg, Verified Owner, September 17, 2025
Just what I needed on my pistol for night shooting with or without Nod's
Most Recent Reviews No complaints, exactly as advertised by JWC, Verified Owner, December 8, 2024
Each mode works flawlessly. Will pair with remote activator at a later time.
Most Recent Reviews so far so good by Brad, September 5, 2023
i bought this for a 300blk pistol that i want to start getting into night shooting. i have not actually used it for that so all i can give is my initial thoughts. i went with this because i have limitted railspace and i dont want a have a heavy gun. ...
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Read All 4 Reviews
Light Output: 350 lumensBattery Type: 123A Beam Color: White/Infrared Color: Black Gun Model: Universal Condition: New

Code: FS-FLW-SFMF4V-X400VH-B-IRC

MPN: X400VH-B-IRC

UPC: 084871326605

List: $879.00
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Product Info for SureFire MasterFire X400 Weapon Light

Compact yet powerful, the SureFire Masterfire X400 Vampire, 6V, White/Infrared LEDs, 350 Lumens provides white light, infrared (IR) light and an infrared laser to assist you during nighttime tactical operations or serious predator hunts. SureFire constructed these Pistol Weapon Lights with a TIR lens that extends the beam's reach up to 225m and improves peripheral illumination. The SureFire X400V White/IR LED Illuminator Weapon Light w/ IR Laser is designed for the toughest conditions, featuring waterproof sealing, virtually-indestructible LEDs, an impact-resistant window and recoil-proof screws that ensure the laser holds zero. Mount this versatile SureFire X400V Weaponlight to brighten your surroundings and enhance your vision while using night vision devices.image

WARNING: California`s Proposition 65

Specifications for SureFire MasterFire X400 Weapon Light:

Manufacturer: SureFire
Light Output: 350 lumens
Battery Type: 123A
Beam Color: White/Infrared
Color: Black
Gun Model: Universal
Diameter: 1.25 in
Length: 4 in
Weight: 4.8 oz
Battery Life: 2.5 hours
Weather Resistance: Water Resistant
Finish: Anodized
Battery Quantity: 2
Condition: New
Gun Type: Pistol

Features of SureFire Masterfire X400 Vampire, 6V, White/Infrared LEDs, 350 Lumens:

  • Virtually indestructible infrared and white-light LEDs regulated to maximize output and runtime
  • TIR lens shapes focused high-intensity beam with significant reach and ample surround light for peripheral vision
  • Features integral commercially available infrared laser sight <0.7 mW (850 nm)
  • Recoil-proof Nylok adjustment screws - laser sight holds zero
  • Quick-detach rail clamp with adapters for Universal and MIL-STD-1913 (Picatinny) rails
  • Accepts optional pistol grip and long gun tape switches
  • Weatherproof - O-ring and gasket sealed
  • Constructed of high-strength aerospace aluminum with Mil-Spec hard anodizing
  • Impact-resistant. coated, tempered window
  • Includes high-energy 123A batteries with 10-year shelf life

Package Contents:

  • SureFire Masterfire X400 Vampire, 6V, White/Infrared LEDs, 350 Lumens

SureFire MasterFire X400 Weapon Light Orderable Models

List of Orderable Models

SureFire MasterFire X400 Weapon Light, Black, X400VH-B-IRC , MPN: X400VH-B-IRC , UPC: 084871326605 , Code: FS-FLW-SFMF4V-X400VH-B-IRC
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