Brownells 75th Anniversary - A Shooting Heritage

The powerful and versatile Surefire X300U-A Ultra Weaponlight features a high-performance LED that generates 1000 lumens of stunning white light focused by a Total Internal Reflection (TIR) lens to produce a tight beam with extended reach and significant surround light for peripheral vision. The virtually indestructible and highly efficient LED generates tactical-level light—more than enough to overwhelm an aggressor’s dark-adapted vision—for 1.5 hours per set of batteries.

The high-strength aerospace aluminum body is Mil-Spec hard anodized for superior toughness and is O-ring and gasket sealed to make it submersible to 22 meters. This is also versatile and can be attached to a pistol or a long gun since its Rail-Lock system permits rapid attachment to and removal from either Universal or Picatinny rails. Its integral ambidextrous push/toggle switch provides one-finger operation for either momentary or constant-on operation.

Optional DG grip switches are available for use with a pistol, and an XT07 tape switch permits the X300 Ultra to be activated when attached to a long gun without altering your grip on your weapon.


  • Recoil-proof high-performance LED produces 1,000 Lumens
  • Custom TIR Lens creates smooth, far-reaching light with a larger center spot beam that is ideal for close to mediu-range engagements
  • Rail-Lock System permits rapid attachment and removal from rails on pistols or rifles
  • Submersible to 22 meters
  • Integral ambi momentary and constant-on switching provides easy instant activation


Big Book Catalog, Issue:67, Page:386
Big Book Catalog, Issue:68, Page:409
Big Book Catalog, Issue:72, Page:373
Big Book Catalog, Issue:73, Page:384


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Lumens: 1000

Battery: CR-123A

Style: LED, Weapon Mounted

Candela: 11300

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Lumens: 1000

Battery: CR-123A

Style: Rail Mounted

Candela: 11300