SureFire X400 Ultra MasterFire WeaponLight – Powerful Illumination and Precision Laser Targeting

• The SureFire X400 Ultra MasterFire WeaponLight is a high-performance LED weapon light combined with a laser, designed to fit seamlessly into the MasterFire® Rapid Deploy Holster. 
• 1,000 lumens of optimized output provide a powerful, far-reaching hybrid beam for superior illumination in any situation. 
• Features a red or green laser option, with red (635 nm) for traditional use or high-visibility green (515 nm) for enhanced targeting in bright conditions. 
• Engineered for quick, efficient draws, the X400UH securely locks into the MasterFire holster, ensuring the weapon is ready to deploy in critical moments. 
• Automatic activation capability allows the light and laser to engage immediately upon drawing from the holster, saving valuable time. 
• Built with a rugged, weatherproof Mil-Spec hard-anodized aluminum body, this device is prepared for the toughest conditions. 
• Integrates with both Universal and Picatinny accessory rails, ensuring compatibility with a wide range of rail-equipped pistols. 
• Precision engineering delivers a hybrid beam with ample spill and a focused central spot, offering maximum situational awareness. 
• Includes ambidextrous momentary and constant-on switching, as well as optional pressure-activated remote switches for total control. 
• Designed for durability, reliability, and superior performance in high-stakes scenarios.

SureFire X400 Ultra MasterFire WeaponLight Review

What are some common accessories to add to the SureFire X400 Ultra MasterFire WeaponLight?

• Pressure-Activated Remote Switches - Optional DG and XT remote switches for precision control without adjusting your grip on the weapon. 
• MasterFire Rapid Deploy Holster - Specially designed to securely house the X400UH and allow quick, efficient weapon deployment. 
• Additional 123A Batteries - To ensure consistent performance during extended use. 
• Universal and Picatinny Rail Mounts - For attaching the WeaponLight to various compatible firearms. 
• Lens Covers or Filters - To protect the lens or modify the light output for different tactical needs.

SureFire X400 Ultra MasterFire WeaponLight Features and Specs

The SureFire X400 Ultra MasterFire WeaponLight is a high-performance LED light with an integrated laser, designed for maximum efficiency and reliability in critical situations. It features a durable, weatherproof, and lightweight Mil-Spec hard-anodized aluminum body that interfaces seamlessly with the MasterFire® Rapid Deploy Holster for secure retention and quick deployment. Delivering 1,000 lumens of optimized illumination and a high-visibility laser (available in red or green), it ensures superior target acquisition and situational awareness. The weapon light is compatible with both Universal and Picatinny accessory rails and offers ambidextrous switching for constant or momentary on use.

Key Features:

• Delivers 1,000 lumens of far-reaching hybrid beam illumination.
• Integrated high-visibility laser available in red (<5 mW / 635 nm) or green (<5 mW / 515 nm).
• Laser runtime of up to 24 hours for prolonged use.
• Precision-engineered TIR lens for a smooth central beam with ample peripheral spill light.
• Designed to interface securely with MasterFire® Rapid Deploy Holster for fast and efficient draw.
• High-strength aerospace aluminum body with Mil-Spec hard anodized finish for extreme durability.
• Weatherproof O-ring and gasket sealing for reliable performance in tough conditions.
• Compatible with both Universal and Picatinny accessory rails.
• Ambidextrous push/toggle switching for momentary or constant activation.
• Optional pressure-activated remote switches available for enhanced grip control.
• Powered by two 123A batteries, providing 1.25 hours of high output runtime.

What's in the box of the SureFire X400 Ultra MasterFire WeaponLight?

• (1) SureFire X400 Ultra MasterFire WeaponLight with Laser 
• (2) 123A Lithium Batteries 
• (1) Instruction Manual 
• (1) Warranty Card 

SureFire X400 Ultra MasterFire WeaponLight FAQs

What pistols are compatible with the SureFire X400 Ultra MasterFire LED WeaponLight? 

The X400 Ultra is designed to fit virtually any rail-equipped pistol, making it compatible with a wide range of tactical handguns. It also interfaces seamlessly with the SureFire MasterFire® Rapid Deploy Holster.

Can the light and laser activate automatically when the weapon is drawn? 

Yes, when used with the MasterFire holster, the X400UH can be set to automatically activate both the light and laser when the weapon is drawn, saving critical time in high-stress situations.

What are the differences between the red and green laser models? 

The traditional red laser operates at 635 nm, while the high-visibility green laser operates at 515 nm, offering enhanced visibility, particularly in bright or outdoor environments. Both lasers have outputs of <5 mW.

How durable is the SureFire MasterFire X400 Weapon Light Ultra? 

The X400 Ultra is constructed from high-strength aerospace aluminum with a Mil-Spec hard-anodized finish, making it lightweight, weatherproof, and highly durable to withstand extreme conditions.

What type of batteries does the Surefire X400 Ultra MasterFire® LED WeaponLight with Laser use, and how long do they last? 

The X400 Ultra operates on two 123A batteries (included). It provides 1.25 hours of runtime at 1,000 lumens, while the laser alone can last up to 24 hours.

Is the Surefire X400 Ultra MasterFire® WeaponLight Ultra weatherproof? 

Yes, the X400 Ultra features O-ring and gasket sealing to ensure reliable performance in various weather conditions.

Can I use remote switches with the Surefire X400 Ultra MasterFire® LED WeaponLight with Laser? 

Yes, the X400 Ultra is compatible with optional pressure-activated DG and XT remote switches, allowing precision control without altering your grip on the weapon.

How far does the beam of the SureFire X400 Ultra MasterFire WeaponLight with Laser reach? 

The X400 Ultra has a maximum beam distance of 213 meters, providing extensive illumination for enhanced situational awareness.