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Customer Reviews
Helpful Positive Review Fantastic Rifle Light by Mike Eli, Verified Owner, March 10, 2024
This is my third Cloud Defensive light and won't be my last. They have become very popular and difficult to get lately. Was very happy Optics Planet not only had them but the price was great. I like that the light comes with a decent mount. The cable...
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2/2 found this helpful
Helpful Positive Review A step up from the Surefire Turbo series by Mike, Verified Owner, April 9, 2024
Sold my Surefire M340DFT Pro and replaced it with this Rein 3.0. I was tired of not having the flood/spill needed to light up my backyard and surroundings. The Rein 3.0 doesn’t give up any throw compared to the Surefire and adds all the flood/spill t...
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1/1 found this helpful
Helpful Positive Review A Light to Love, a Cable-Management System to Loathe by Doc Solammen, Verified Owner, December 21, 2023
Cloud Defensive's are the only weapon-lights I put on my long-guns. I own numerous OWLs and a single REIN Micro, the latter of which I operate via a tail-cap switch. In early December 2023, I purchased a REIN 3.0 for my LMT MARS piston rifle. It was ...
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6/6 found this helpful
Helpful Positive Review Cloud Rein 3.0 full size FDE by Kyle, February 23, 2024
Received the light in late February 2024 and can confirm that these are now shipping with the new 2 hole inline torrent mount instead of the old 3 hole design that was breaking. Light is insanely bright with a fully charged 18650. The claims it can c...
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1/1 found this helpful
Helpful Positive Review Great Light Made Right Here in the United States by Jay, March 7, 2024
I found Cloud Defensive after they sponsored a GOA video on YouTube. These guys are amazing patriots. The ATF wanted a contract with them and they told the ATF to pound sand. It doesn't get better than that. The light is really advanced. Even compare...
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1/1 found this helpful
Helpful Positive Review Amazing light and company. by aznative, Verified Owner, September 27, 2023
This is definitely in the top 2 of rifle lights. It’s solid and functions amazing. This is my second one and is running like expected. Cloud Defensive is always pushing the boundaries and making new great products. They are more expensive but it come...
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2/2 found this helpful
Read All 35 Reviews

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Our customers have spoken – this is one of the best rated products in the Weapon Accessories category! See more best rated Weapon Accessories products
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Product Info for Cloud Defensive REIN 3.0 Full Size Weapon Light

An average of 100,000 Candela in the full-size configuration represents a seismic leap in capability for the user. Over 44% more than the closest competitor. Nobody else is even close. It means more light on-target than ever before. It means better situational awareness. It means improved survivability. And run-time standards per ANSI/PLATO-FL1 ensure your light performs as long as you need it.Due to enhanced thermal upgrades, the REIN 3.0 light head CANNOT be used on any MCH lights. Simply, the light head gets too hot which can cause damage to the electrical components.image

The REIN 3.0 is now DUAL FUEL. CR123 batteries are now allowed. However, if you use CR123, expect performance degradation. We supply a branded Samsung 18650 30Q with the REIN 3.0. Please note that unlike its peers, REIN 3.0 will produce usable light for multiple hours.

Accepts ALL protected and unprotected 18650 batteries. Accepts both button-top and flat-top batteries.

Run-time standard per ANSI/PLATO-FL1 = 95 minutes for the full-size REIN 3.0. The ANSI/PLATO-FL1 standard for runtime is: The amount of time until the light reaches 10% of its original output.

As shooters ourselves, we know size matters. Particularly when you start working your lights around other systems on the gun, such as laser systems and back up sights. With a small 1.3 bezel diameter and lower mounting lug height profile, it sits tighter to your gun than ever before. The full-size REIN is now right at home on even the shortest host platforms.

Ounces do matter. The Next-Generation REIN numbers speak for themselves. And the new 3.0 generations weight is indistinguishable on the gun from the previous version.

REIN 3.0 still ships standard with a M-Lok mount. Cloud Defensive offers a full line-up of Torrent mounts for different mounting needs. REIN 3.0 is fully compatible with existing Scout Light mounts on the market.

Specifications for Cloud Defensive REIN 3.0 Full Size Weapon Light:

Manufacturer: Cloud Defensive
Light Output: 1250 lumens
Battery Type: 18650, CR123
Gun Model: Universal
Diameter: 1.3 in
Length: 6.17 in
Weight: 6.91 oz
Bezel Diameter: 1.3 in
Battery Life: 95 Minutes
Weather Resistance: Dustproof
Condition: New

Features of Cloud Defensive REIN 3.0 Full Size Weapon Lights

  • Modular 3-piece design. With a superior electrical system and remote switch, REIN has always been upgradeable as subsequent generations are released. As such, all parts of the 1st generation REIN are fully compatible with the 2nd and now 3rd generation REIN
  • IPX-8 waterproof rating. Fully submersible to 100 feet 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
  • 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
  • Shockproof. Dustproof. The most durable weapon light made. Period

Package Contents:

  • Cloud Defensive REIN 3.0 Full Size Weapon Light
  • Battery
  • Charger
  • Remote Switch
  • M-Lok Mount

Cloud Defensive REIN 3.0 Full Size Weapon Light Orderable Models

List of Orderable Models

Cloud Defensive REIN 3.0 Full Size Weapon Light, Flat Dark Earth, CD2109-DFS FDE , MPN: CD2109-DFS FDE , UPC: 850016201942 , Code: 2S5-FLW-CDWLR30FS-CD2109-DFS-FDE
Cloud Defensive REIN 3.0 Full Size Weapon Light, Black, CD2109-DFS BLK , MPN: CD2109-DFS BLK , UPC: 850016201928 , Code: 2S5-FLW-CDWLR30FS-CD2109-DFS-BLK
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