Sig Sauer Releases (Another!) Red Dot – The ROMEO6

Hot on the heels of launching… an entire line of electo-optics, Sig Sauer has announced the release of yet another electro-optic. But, before one rolls their eyes at yet another “me too” product, Sig really has been working to add some innovation to their offerings. The latest TANGO6 options added LevelPlex, and Sig’s micro-dot system was just adopted by the FBI.

Expanding the eyebox a bit, the new ROMEO6 series of optics is based on a 30mm tube – taking aim at Aimpoint’s M1 and M2 line of offerings. Rather than stick with just a plain dot (or even one that changes colors), Sig again looks to blend the well-liked EOTech 65 MOA circle with various dot configurations, offering two options of concept, the Circle-Dot and the Circle-Plex.

Related: SIG P320 Selected as new US Army Handgun.

The two are similar offerings, with the Circle-Plex “allows to select between a 2 MOA Dot, a 2 MOA Dot with Ballistic Holds, a 2 MOA/65 MOA Circle-Dot or a 2 MOA/65 MOA Circle-Dot with Ballistic Holds. The ballistic hold-over aiming points subtend for 556 NATO and 7.62x51mm NATO rounds. The Ballistic Circle-Plex reticle offers the same Quad reticle functionality, but the 2 MOA Dot is replaced with a plex type reticle which has a 1 MOA Dot central aiming feature for precision mid to long range shooting, optimized for use with magnifiers such as the soon to be released SIG Sauer JULIET4 4X magnifier.”

The ROMEO6 will be offered further in two variants, the “H” and “T” models. The H functions solely off of battery power, versus the T which includes a 9 hour solar-power back-up via “super capacitors”. The T is further “Mil-Spec” rated for 810 G (environmental testing) and has an upgraded 7075 aluminum housing. Both feature MOTAC motion-activated LED shut-off and instant turn-on and Sig’s “Infinite Guarantee”.


Features from Sig Sauer:

  • · ROMEO6T features a solar panel with two super capacitors that provide up to 9 hours of battery-free life (battery backup).
  • · Ruggedized 1.53-inch mounting system.
  • · Ballistic Circle-Dot and Ballistic Circle-Plex reticle options.
  • · Unlimited eye-relief allows you to acquire the aiming point and target regardless of the position of your eye behind the sight.
  • · Ultra-efficient red LED illumination system for daylight visibility with extended runtime and mil-spec objective coating to limit downrange light leakage in tactical situations.
  • · MOTAC (Motion Activated Illumination) powers up when it senses motion and powers down when it does not, providing optimum operational safety and enhanced battery life.
  • · ROMEO6T features 7075 aluminum housing for a lifetime of reliable service.
  • · Dependable waterproofing (ROMEO6T is IPX8 ROMEO6H is IPX7) and fog-proof performance.
  •  4 user selectable reticles to toggle on every Romeo
  •  Assembled in USA
  • · ROMEO6T is 810G Mil Spec
  • · MSRP: ROMEO6H – $539.99 and ROMEO6T – $719.99

Nathan S

One of TFB’s resident Jarheads, Nathan now works within the firearms industry. A consecutive Marine rifle and pistol expert, he enjoys local 3-gun, NFA, gunsmithing, MSR’s, & high-speed gear. Nathan has traveled to over 30 countries working with US DoD & foreign MoDs.

The above post is my opinion and does not reflect the views of any company or organization.


  • Harry’s Holsters

    They are going full bore with these. If someone would have told me I would be considering a sig optic a year ago I’d have called them nuts. These look really good. I hope someone beats the crap out of them to verify their quality.

    • A bearded being from beyond ti

      Didn’t the FBI just do that? For one of them atleast…

      • Harry’s Holsters

        I’m sure they did but I haven’t seen any public release of the details. That’s what I’d like to see.

    • micmac80

      Holosun red dots made for Sig brand

      • Flounder

        These are at least assembled in the US. So at best holosun makes parts for these.

        It also doesn’t look like anything Holosun currently has in the market. And it has the BDC reticle.

        • EC

          It does seem to resemble Holosun’s HS406C… possibly tweaked by Holosun for Sig.

          I guess my previous comment with a link to Holosun’s site wasn’t approved.

          • Flounder

            Holy crap your right. Idk that holosun made that model. I knew they had larger tube red dots but not identical! The only difference is the adj turrets are protected, and then everything is colorful. But it says it is assembled in the US… so that is interesting.

          • EC

            “Assembled” can be a term of art, really. Already that term suggests that the pieces are manufactured elsewhere… good money would be Holosun. “Assembly” can simply mean that the final steps are taken in the US, but in reality the bulk of the process might be done in another country. The FTC only requires that you have “substantially transformed” the product in the US to say that you assembled it here, which is a far cry from 100% put together.

            That’s of course if anyone is checking up on Sig and their manufacturing process to see if they really are FTC-compliant in saying that it is “assembled” in the US.

            Anyhow, the Romeo 6 being Chinese-made isn’t necessarily a bad thing. So long as Sig is careful about quality control then there shouldn’t be a problem. Primary Arms makes good stuff in China, and that EoTech fiasco showed that “Made in America” isn’t a guarantee of perfection either.

          • nova3930

            Exactly. Quality gear can be made anywhere so long as the design is sound and someone will pay for the QC.

  • yodamiles

    So, are these full-size reddot sight better than the micro one? I understand that you can use more commonly available and longer lasting AA or AAA batteries, but apart from that is there any advantage over micro reddot?

    • Amplified Heat

      I have a ROMEO7, and the additional field of view offered by the larger tube is nice (as is the AA battery, of course). The stuff about ‘coatings reducing downrange laser emission’ is a bunch of crap. It’s about two steps down from using a straight-up laser dot as far as how visible it is from the objective end (really surprised me how bad it was on all but the lowest settings; hard to believe these are marketed for ‘tactical’ usage; I can only imagine a true reticle would be worse vs. a simple dot). The larger tube is nice, though, seeing as how the laser projection system always eats up some of your field of view (since the little laser ‘wart’ protrudes from the side)

      I’m not sure why this unit costs more than the ROMEO4 and ROMEO7 combined, since it appears to be basically be the former’s electronics packaged into the (larger) latter. At five to seven bills, I’d be expecting something in the way of lenses, frankly.

    • Toxie

      Well, for one *I* can find the dot faster (and more easily) with the larger optic. YMMV.

  • Frank

    So this is assembled in the US, so I assume that FBI issued one is also.

  • Herr Wolf

    Dang- being tacticool ain’t cheap

  • 22winmag

    Now those FBI guys can really zero in on Hillary’s emails!

  • Emfourty Gasmask

    I’m interested in the reticles. When do we get pics of those?

  • Wingbert

    Some may call motion activate activation and solar powered backup an innovative feature but I see it as a failure point and a solution looking for a problem. A Aimpoint M4 can be left on for 8 years before its AA battery needs to be replaced. Most people would simply replace that $2 battery once a year. Just make simple high efficiency electronics instead of tacking on every bell and whistle one can throw at it.