Surefire  |  SKU: RSR-SFX400U-A-RD

SureFire - X400 Ultra Handgun Weapon Light with Laser

Sale price $61100 Regular price $67900
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Description

Pinpoint The Threat. The SureFire X400U Ultra WeaponLight combines powerful illumination with laser aiming for quick, accurate target acquisition. With 1,000 lumens of optimized output and a highly visible red or green laser option, the X400U is engineered to fit virtually any rail-equipped pistol, making it ideal for close- to medium-range engagements.

  • Powerful Illumination: High-performance LED delivers 1,000 lumens for far-reaching, smooth light with a focused spot and ample surround spill.
  • Laser Options: Available in <5 mW / 635 nm red laser or <5 mW / 515 nm green laser for enhanced visibility.
  • Durable Build: High-strength aerospace aluminum body, Mil-Spec hard anodized for extreme durability and weatherproof sealing.
  • Ambidextrous Controls: Integral momentary- and constant-on switching for ease of use, adaptable for left or right-handed operation.
  • Mounting Versatility: Attaches securely to Universal and Picatinny accessory rails on pistols or long guns.
  • Remote Switch Compatibility: Accepts optional DG and XT remote switches for precision control without compromising grip.

Key Attributes:

  • High Output: 1,000 lumens with 1.25-hour runtime
  • Laser Runtime: Up to 24 hours
  • Beam Distance: 213 meters
  • Construction: Aerospace-grade aluminum with Mil-Spec hard anodized finish
  • Water Resistance: IPX4 rated
  • Length: 3.7 in (9.4 cm)
  • Weight with Batteries: 5.0 oz (141.7 g)
  • Bezel Diameter: 1.125 in (2.9 cm)

UPC Codes:

  • X400U-A-RD: 084871321211
  • X400U-A-GN: 084871321198

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Frequently Asked Questions

How does the SureFire X400 Ultra Handgun Weapon Light enhance target acquisition?

The ambidextrous controls on the SureFire X400 Ultra provide significant advantages for both left- and right-handed users. These controls allow for seamless operation of the light and laser functions without requiring the user to shift their grip, which is crucial in high-stress situations. The design ensures that the weapon light can be activated quickly, maintaining focus on the target. However, users should familiarize themselves with the control layout through regular practice to ensure muscle memory is developed for efficient use.

For more on tactical lighting and its applications, visit our tactical flashlight guide.

What are the benefits of the ambidextrous controls on the SureFire X400 Ultra?

The ambidextrous controls on the SureFire X400 Ultra provide significant advantages for both left- and right-handed users. These controls allow for seamless operation of the light and laser functions without requiring the user to shift their grip, which is crucial in high-stress situations. The design ensures that the weapon light can be activated quickly, maintaining focus on the target. However, users should familiarize themselves with the control layout through regular practice to ensure muscle memory is developed for efficient use.

For more on tactical lighting and its applications, visit our tactical flashlight guide.

Is the SureFire X400 Ultra suitable for use in wet conditions?

The SureFire X400 Ultra is designed to withstand wet conditions thanks to its IPX4 water resistance rating. This rating indicates that the device can handle splashes of water from any direction, making it suitable for use in rain or other damp environments. However, it is not fully waterproof, so it should not be submerged in water. Users should also ensure that all seals and battery compartments are properly closed to maintain the water resistance integrity.

For more information on equipment for various weather conditions, check out our wet and cold survival tips.

How does the laser option on the SureFire X400 Ultra aid in different lighting conditions?

The laser option on the SureFire X400 Ultra aids in target acquisition across various lighting conditions by providing a consistent aiming point. The red laser is highly visible in low-light environments, while the green laser is more visible in brighter conditions, offering flexibility depending on the user's environment. This adaptability ensures that the user can maintain accuracy regardless of ambient light. However, reliance on the laser alone can be a limitation if the batteries fail, so it is important to also practice with traditional sighting methods.

Explore more about tactical lighting and lasers in our tactical lighting collection.

What are the mounting options for the SureFire X400 Ultra?

The SureFire X400 Ultra offers versatile mounting options, designed to fit both Universal and Picatinny accessory rails. This compatibility allows the light to be securely attached to a wide range of handguns and long guns, making it a flexible choice for different firearm setups. The secure attachment ensures that the light remains stable during use, which is essential for maintaining accuracy. However, users should confirm the compatibility with their specific firearm model to ensure a proper fit.

For further insights into optimizing your firearm setup, see our guide on Glock parts and accessories.

How does the SureFire X400 Ultra perform in terms of battery life?

The SureFire X400 Ultra provides a runtime of approximately 1.25 hours at its maximum output of 1,000 lumens. This duration is sufficient for most tactical scenarios, but users should be mindful of the battery life and carry spare batteries for extended operations. The laser can run up to 24 hours, which is beneficial for prolonged engagements. However, frequent use of the light at full power can quickly deplete the battery, so it is advisable to use the light judiciously and ensure batteries are fully charged before any mission.

For more on maintaining your gear's power, visit our batteries and chargers collection.

What makes the SureFire X400 Ultra durable for tactical use?

The SureFire X400 Ultra is built with high-strength aerospace aluminum and features a Mil-Spec hard anodized finish. This construction ensures that the weapon light can withstand the rigors of tactical use, including impacts and harsh environmental conditions. The weatherproof sealing further enhances its durability, making it suitable for various operational environments. However, while the construction is robust, users should still perform regular maintenance checks to ensure all components are functioning properly.

Learn more about tactical gear durability in our tactical survival gear guide.

Can the SureFire X400 Ultra be used with remote switches?

Yes, the SureFire X400 Ultra is compatible with optional DG and XT remote switches. This feature allows users to operate the light and laser without altering their grip on the firearm, which is essential for maintaining control and accuracy. The remote switch compatibility makes it ideal for use on long guns where reaching the standard controls might be impractical. However, users should ensure that the remote switch is securely attached and tested for reliability before use in critical situations.

For more on enhancing your tactical setup, check out our SureFire switches and accessories.

How does the SureFire X400 Ultra contribute to home defense readiness?

The SureFire X400 Ultra enhances home defense readiness by providing powerful illumination and precise targeting capabilities. In a home defense scenario, the ability to quickly identify and engage a threat is crucial. The 1,000-lumen output ensures that any potential intruder is clearly visible, while the laser allows for rapid target acquisition. However, users should be aware of the light's potential to reveal their position and should practice using the light strategically to maintain the element of surprise.

For comprehensive home defense strategies, explore our bug in guide.

What are the key considerations when using the SureFire X400 Ultra in tactical operations?

When using the SureFire X400 Ultra in tactical operations, key considerations include understanding the light's output, battery management, and environmental conditions. The high output of 1,000 lumens is effective for disorienting threats but can also reveal your position, so it's important to use the light judiciously. Battery management is crucial, as running out of power at a critical moment can compromise the operation. Additionally, while the light is water-resistant, users should avoid submersion and ensure all seals are intact to maintain functionality.

For more on tactical readiness, consider our security pillar guide.