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Brownells 75th Anniversary - A Shooting Heritage
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The rugged Surefire X300U-B Ultra with its T-slot thumbscrew clamp attaches securely to the Universal and Picatinny rails (fitting more models than ever before) found on most handguns, and it will fit many popular rail-less handguns by using SureFire’s MR adapter mounts.

As always for this best-in-class model, it features integral onefinger ambidextrous momentary- and constant-on switching and can be equipped with SureFire’s optional DG handgun grip switch. This versatile Weaponlight also attaches to the Picatinny rails on long guns—more securely than ever before—and can be activated via an optional XT remote switch that gives you precision control of the light while letting you maintain a proper grip on your weapon.

  • T-Slot thumbscrew clamp attaches securely to Universal and Picatinny rails found on most handguns
  • Special high-performance LED produces 1,000 lumens
  • Custom TIR lens creates smooth, far-reaching light with a larger center spot beam that's highly effective for close to medium-range engagements
  • Integral ambi momentary and constant-on switching provides easy, instant activation.


Big Book Catalog, Issue:69, Page:372
Big Book Catalog, Issue:70, Page:368
Big Book Catalog, Issue:71, Page:371
Big Book Catalog, Issue:72, Page:373
Big Book Catalog, Issue:73, Page:384

SUREFIRE - X300U-B ULTRA WEAPON LIGHT

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In Stock

Lumens: 1000

Battery: CR-123A

Style: Gun Mounted

Candela: 11300

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Online Only
In Stock

Lumens: 1000

Battery: CR-123A

Style: Rail Mounted

Candela: 11300