SureFire X400U-A-RD Ultra WeaponLight with Red Laser

The SureFire X400U-A-RD Ultra WeaponLight is a high-performance handgun and long gun mounted light featuring a powerful 1,000 lumen white LED combined with an integrated red aiming laser. Designed for professional and defensive applications, it delivers reliable illumination and rapid target acquisition in a compact, rugged platform.

The X400U-A-RD 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 engineered to withstand recoil, impact, and demanding operational environments.

Key Features

• 1,000 lumen high-output white LED
• Integrated red aiming laser
• 11,300 candela peak beam intensity
• Precision TIR lens for focused 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-RD Ultra WeaponLight
• Model: X400U-A-RD
• MPN: X400U-A-RD
• UPC: 084871321211
• Maximum Output: 1,000 lumens
• Peak Beam Intensity: 11,300 candela
• Beam Distance: 213 meters
• Runtime: 1.25 hours
• Laser Type: Red laser
• Laser Output: Class IIIa (<5 mW)
• Laser Wavelength: 635 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-RD Ultra WeaponLight
• Two CR123A Batteries
• Rail-Lock® Mount Components
• Adjustment Tool
• Owner’s Manual
• Manufacturer Packaging