SureFire X400 Ultra WeaponLight – Precision, Power, and Durability Combined

• The SureFire X400 Ultra WeaponLight combines a powerful white light and a precision laser for rapid, reliable target acquisition. 
• 1,000 lumens of high-performance LED output delivers a bright, far-reaching beam with a balanced central spot and surrounding light for enhanced situational awareness. 
• Choose between a red (635 nm) or green (515 nm) laser, both designed for high visibility to ensure accurate targeting in all conditions. 
• The rugged Mil-Spec hard-anodized aluminum body is lightweight, weatherproof, and built to withstand the toughest environments. 
• Quick and secure attachment to Universal and Picatinny rails, making it compatible with both pistols and long guns.
• Ambidextrous switches allow for momentary- or constant-on activation, offering seamless usability for left- or right-handed users. 
• Weatherproof O-ring and gasket sealing ensure performance in adverse conditions. 
• Optional remote switches allow precision operation without compromising your grip on the weapon. 
• Backed by SureFire’s reputation for uncompromising quality, providing you with the confidence to take on any challenge.

SureFire X400 Ultra WeaponLight Review

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

• DG Remote Switch: Provides precision control for momentary activation without altering grip on the weapon. 
• XT Remote Switch: Offers dual momentary-on and constant-on activation for enhanced versatility. 
• 123A Batteries: Spare batteries to ensure the light is always operational in critical situations. 
• Picatinny Rail Adapters: Enables secure mounting on various firearm platforms for compatibility. 
• Protective Lens Covers: Shields the lens from dirt, debris, and scratches during use. 
• Storage Case: A durable case to safely store the weapon light and its accessories when not in use. 

SureFire X400 Ultra WeaponLight Features and Specs

The SureFire X400 Ultra WeaponLight is a versatile, high-performance tool designed for rail-equipped pistols and long guns. With an impressive 1,000-lumen output and a precision TIR lens, it creates a hybrid beam ideal for close- to medium-range engagements. The addition of either a red or high-visibility green laser ensures fast and accurate target acquisition. Its rugged, weatherproof aerospace aluminum body, Mil-Spec hard anodized finish, and ambidextrous switching offer both durability and ease of use, making it a reliable choice for demanding environments.

Key Features:

• 1,000-lumen high-performance LED output
• Hybrid beam pattern with a focused center spot and ample spill light
• Red (<5 mW / 635 nm) or green (<5 mW / 515 nm) laser options
• Ambidextrous momentary- and constant-on switching
• Secure attachment to Universal and Picatinny accessory rails
• Rugged, Mil-Spec hard-anodized aerospace aluminum construction
• Weatherproof with O-ring and gasket sealing
• Compatible with optional DG and XT remote switches for enhanced control
• Compact design at just 3.7 inches in length and 5 oz weight with batteries
• Long-lasting 24-hour laser runtime and IPX4 water resistance

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

• (1) SureFire X400 Ultra WeaponLight
• (2) Two 123A lithium batteries
• (1) User manual
• (1) Warranty card

SureFire X400 Ultra WeaponLight FAQs

What type of firearms is the X400 Ultra WeaponLight compatible with? 

The X400 Ultra is designed to fit virtually any rail-equipped pistol, as well as many long guns with Universal or Picatinny accessory rails.

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

The red laser operates at 635 nanometers, while the green laser operates at 515 nanometers. Green lasers are generally more visible in daylight conditions, making them easier to see in brighter environments.

How durable is the X400 Ultra? 

The X400 Ultra is built with a high-strength aerospace aluminum body, which is Mil-Spec hard anodized for maximum durability. It is weatherproof with O-ring and gasket sealing, ensuring reliable performance in harsh conditions.

What kind of batteries does the X400 Ultra use, and how long do they last? 

The X400 Ultra runs on two 123A lithium batteries (included). The high-output light provides a runtime of 1.25 hours, while the laser can operate for up to 24 hours on the same set of batteries.

Is the X400 Ultra easy to operate under pressure? 

Yes, it features integral ambidextrous switching for both momentary- and constant-on operation. Optional remote switches, like the DG and XT models, are also available for precision control without needing to adjust your grip.

Is the X400 Ultra waterproof? 

The X400 Ultra is IPX4-rated, meaning it is resistant to splashing water from any direction, making it suitable for use in wet environments.

Can the X400 Ultra be used for medium- to long-range engagements? 

Absolutely. Its 1,000-lumen LED and precision-engineered hybrid beam provide both a focused central spot for extended range and ample spill light for situational awareness, making it effective for close- to medium-range scenarios. 

Where is the X400 Ultra manufactured? 

The SureFire X400 Ultra WeaponLight is proudly designed and built in the USA.