SureFire X400 Ultra WeaponLight — Green Laser

The SureFire X400 Ultra (X400U-A) is a compact, rail‑mountable weapon light that combines a high‑performance LED and an integrated green aiming laser. Its recoil‑proof LED and TIR lens produce a focused beam with useful peripheral illumination for close‑ to medium‑range use. Constructed from Mil‑Spec hard‑anodized aluminum and sealed against weather, the X400U-A is built for dependable operation on pistols and long guns equipped with accessory rails.

Key Specifications

• The manufacturer is SureFire.
• The model is identified as the X400 Ultra (X400U-A).
• The integrated laser outputs 5 mW of power.
• The laser wavelength is listed as 515 nm for the green aiming laser.
• The unit accepts CR123A batteries (two 123A batteries are referenced in the supplied data).
• Construction is Mil‑Spec hard‑anodized aluminum with impact‑resistant components.
• Mounting fits Picatinny/Weaver/Glock and Universal rails for pistols and long guns.
• The light employs a recoil‑proof LED with a TIR lens for a focused beam and usable spill light.
• Controls are ambidextrous push‑button/toggle actuation for convenient operation.
• The housing is O‑ring and gasket sealed for weather resistance (IPX4 listed in provided data).

Whether used in routine low‑light tasks, training, or professional applications, the X400U-A pairs rugged construction with an integrated green aiming laser to provide reliable, repeatable performance on rail‑equipped pistols and long guns. Its compact profile and universal mounting make it a practical choice for users who need a durable, serviceable light/laser package in varied conditions.