Cloud Defensive REIN 3.0 Micro - FDE

Cloud Defensive
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Elevate your tactical experience with the Cloud Defensive REIN 3.0 Micro, a powerful and durable weapon light engineered for top-tier performance. Its compact and robust design, coupled with a waterproof construction, guarantees reliability in the most challenging environments. Experience unmatched versatility and dependability with the Cloud Defensive REIN 3.0 Micro, the ultimate choice for those seeking a reliable lighting solution for their firearms.

REIN is the most powerful and most configurable weapon light ever made. And now, it’s even better. The REIN Micro ships standard with a Picatinny Rail mount.



  • Candela: 95,000 peak beam intensity (w/ 18350)
  • Lumens: 1000 Lumens (w/ 18350)
  • Runtime: 40 minutes (w/ 18350)
  • Duel-Fuel capability
  • Length: 4.88"
  • Weight: 5.41oz (includes remote switch and battery)



  • Modular 3-piece design. With a modular electrical system and remote switch, REIN micro is upgradeable as subsequent generations are released. Please read more details on generational compatibility on the Cloud Defensive REIN FAQ page.
  • IPX-8 waterproof rating. Fully submersible to 100 ft for 24 hours. Fully-potted remote switch included.
  • Strongest-in-class lens. The glass on the REIN is 3mm thick. It can take multiple hits from 5.56mm Simunition rounds, at contact-distance.
  • Patented Battery Jack feature. This allows you to properly tension the battery inside the system to avoid battery bounce. This lengthens the life of your system and increases reliability substantially.
  • Patented tail-cap cartridge is easily replaceable and allows for “clocking” so you can minimize cable exposure, without removing the tail of the light. The attached remote switch utilizes a cable exit from the tail cap that is perpendicular to the bore axis. This allows your cable to be protected from potential snags and impact.
  • The exposed cable for the remote switch is 5” long. Shorter 3″ cables are available through manufacturer.
  • Shockproof. Dustproof. The most durable weapon light made. Period.
  • Lifetime Warranty – with only a few exceptions. Please see warranty info for full details.
  • Made in the USA.