SureFire X400U-A-GN Ultra WeaponLight with Green Laser

The SureFire X400U-A-GN Ultra WeaponLight combines a powerful 1,000 lumen white LED with an integrated green aiming laser for enhanced visibility and rapid target acquisition. Designed for professional handgun and long gun applications, it delivers balanced beam performance optimized for close- to mid-range engagement.

The X400U-A-GN utilizes SureFire’s Rail-Lock® quick-attach mounting system for secure attachment to Universal and Picatinny rails. Constructed from aerospace aluminum with a Mil-Spec hard-anodized finish, it is built to withstand recoil, impact, and demanding operational environments.

Key Features

• 1,000 lumen high-output white LED
• 11,300 candela peak beam intensity
• Integrated green aiming laser
• Precision TIR lens for balanced beam pattern
• Rail-Lock® quick-attach mounting system
• Ambidextrous momentary and constant-on switching
• Aerospace aluminum body
• O-ring sealed weather-resistant construction

Technical Specifications

• Brand: SureFire
• Product Name: X400U-A-GN Ultra WeaponLight
• Model: X400U-A-GN
• MPN: X400U-A-GN
• UPC: 084871321198
• Maximum Output: 1,000 lumens
• Peak Beam Intensity: 11,300 candela
• Beam Distance: 213 meters
• Runtime: 1.25 hours
• Laser Type: Green laser
• Laser Output: Class IIIa (<5 mW)
• Laser Wavelength: 515 nm
• Battery Type: Two CR123A lithium batteries
• Switching: Ambidextrous push/toggle system
• Mounting System: Rail-Lock® quick-attach
• Body Material: Aerospace aluminum
• Finish: Mil-Spec hard anodized, Black
• Water Resistance: IPX7
• Length: 3.76 inches
• Weight (with batteries): 4.9 oz
• Country of Manufacture: USA
• Condition: New
• Warranty: SureFire Limited Lifetime Warranty

What’s Included

• SureFire X400U-A-GN Ultra WeaponLight
• Two CR123A Batteries
• Rail-Lock® Mount Components
• Adjustment Tool
• Owner’s Manual
• Manufacturer Packaging