Gerber Cortex Flashlight
Gerber Cortex Flashlight
Cortex Flashlight
Item: # 30-000821

Adaptability is a part of life for the modern tactical professional, every item must be worth its weight. The Cortex flashlight can utilize multiple power sources, running on 3 lithium CR123 or 2 AA batteries. With a max output of 675 lumens and a strobe option, you will never be in the dark.

Currently Out of Stock


    • Material: Aluminum
    • Weight: 4.8 oz.
    • Length: 6.15 in.
    • LED Type: Cree XML
    • Batteries: Accepts (3) Lithium CR123 batteries or (2) AA batteries
    • Comes with (2) Alkaline AA batteries. CR123 batteries not included.


    • High Mode Output : 675 lumens
    • High Mode Runtime : 1.75 hours
    • Low Mode Output: 30 lumens
    • Low Mode Runtime : 40 hours


    • High Output : 390 lumens
    • High Output Runtime : 1.0 hours
    • Low Output: 28 lumens
    • Low Output Runtime : 15 hours
  • Warranty
  • Warranty

Adaptability is part of life for the modern day tactical professional. The Cortex Flashlight is built with adaptability in mind. Running on either three (3) Lithium CR123 batteries or two (2) AA batteries, the Cortex can utilize multiple power sources when having options is critical. With a maximum output level of 675 lumens (when running on three CR123 batteries), the Cortex provides a level of light useful for overwhelming an aggressor or identifying a threat. The Cortex also offers a strobe mode for tactical applications and a low output mode for administrative duties. Proudly built in Portland, OR.


Rating Snapshot











Overall Rating

  • 5
  • |5 out of 5 stars
Write A Review
Give us your opinion
Please, fill all fields.
Too long review. Limit is 1023 characters.

Thank You

Thank You. Your review will be displayed after it is accepted. Note: Reviews are only moderated for foul language and negative interactions among reviewers.

  • 5
  • |JUL 30, 2016
  • |BY: Daniel Diaz , Warranty

I had a TX 4.0 that had been deployed twice and the tail cap switch stopped working after 4 years. I sent it in and they sent me this flashlight as a replacement. While I still like the design of the tx 4.0 a little better this is a more capable replacement and it's good to know they stand by their warranty.

  • 4
  • |JAN 30, 2016
  • |BY: Brian , Solid Light

I've had this light for over a year and I've been very happy with it's performance. Feels much more solid than some of it's competitors. It does eat through CR batteries pretty quickly but I always have AAs sitting around. As a result, this light is already ready for more abuse. I love that, after especially nasty jobs (plumbing or car brakes) I scrub it down with some dish soap and it's ready to go.

  • 5
  • |OCT 6, 2015
  • |BY: Mike , Army & Fire

Fantastic light. Anodized aluminum, over 600 lumens, and runs on AAs AND 123s. MADE IN THE USA. What else is there to say.

When can I purchase an Omnivore weapons light?

  • 5
  • |MAY 29, 2015
  • |BY: greenduck , Your Title

I had been eyeing this light for a while and found it for a pretty good deal. Now that I have used it I would definitely pay full price. The omnivore concept is awesome. I had another flashlight that used cr123 and they can be a pia to find some times. This light has held up great these past few months in the desert and love the fact I can use whatever batteries are available. Awesome product! Now when are the omnivire weaponlights coming out?

  • 5
  • |DEC 18, 2014
  • |BY: rbbode , Combat Medic

I bought this light for my deployment to Afghanistan and I couldn't be happier. This light has out-performed any other flashlight I have ever used. For the price, it is the brightest light you can buy. I have used it to light up our entire tent before. I would recommend this to anyone.

  • 5
  • |SEP 14, 2014
  • |BY: rbbode , COMBAT MEDIC

I'm a medic for the Army in Afghanistan right now and this tactical light is, by far, one of the best lights I have ever used. The best that Gerber has to offer. It is extremely durable, well made, very functional, and ridiculously bright! Batteries last for as long as you'd expect with such a high-lumen output. The only changes I'd make would be to redesign the clip and make it more secure, and to make it easier to mount to a weapon system.

  • 3
  • |APR 11, 2014
  • |BY: kevin wease , wease music

nice light,little too pricey for it.comparable others sell for about half

  • 5
  • |FEB 12, 2014
  • |BY: Kiwi , Far out

For that price, and that power, and that many options, this is one of the best lights on the market. Stop showing off Gerber, your making the other brands blush.