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manufactures powerful LED and incandescent , Batteries, headlamps, tactical
Backup Click Dual Output LED .
https://en.wikipedia.org/wiki/SureFire
https://en.wikipedia.org/wiki/Surefire_(song)
Switches – SureFire – Welcome to Surefire
Tactical LED Flashlights by SureFire
SureFire X300 Ultra LED Handgun/Long Gun WeaponLight