Surefire X400U-A-GN Ultra Weapon Light w/ Green Laser

The Surefire X400U-A-GN is a compact, rail‑mountable weapon light that integrates an aiming laser and weather‑resistant construction for use on rail‑equipped pistols and long guns. It features ambidextrous activation controls and a Mil‑Spec hard‑anodized aluminum body designed for durability in field and everyday‑carry environments. The unit is compatible with common rail types and accepts CR123A batteries.

Key Specifications

• The model designation is X400U-A-GN.
• The product type is a weapon light.
• The integrated laser sight is green, 5 mW.
• Rail mount compatibility includes Picatinny/Weaver/Glock rails.
• The power source uses CR123A batteries.
• The body is made from black anodized aluminum.
• The head diameter measures 1.125 inches.
• The unit is rated IPX4 for water resistance.
• Activation is via an ambidextrous push button/toggle switch arrangement.
• Windage and elevation are adjustable for laser zeroing.

Designed for users who need an integrated illumination and aiming solution on rail‑equipped handguns and long guns, the X400U-A-GN pairs a compact, serviceable form factor with proven construction and straightforward controls. Its ambidextrous interface and standard rail compatibility make it adaptable for duty, training, and everyday carry setups, while the anodized aluminum body and sealed interfaces help maintain reliable operation in a range of conditions.