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Sig Sauer ROMEO3 MAX 1x30mm 6 MOA 1.0 MOA Adju Reflex Sight w/M1913 Mount SOR32003

SKU SOR32003-Sig

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Designed for competitive use in collaboration with the captain of Sig Sauer's shooting team, the ROMEO3 MAX is a compact reflex sight that offers a crisp red dot and a wide sight picture. The ROMEO3 MAX features Sig's MOTAC (Motion Activated Illumination System) that activates red dot illumination when motion is detected and deactivates dot illumination when motion ceases - allowing for up to 20,000 hours of runtime per battery.

Features of the ROMEO3 MAX Reflex Sight

  • High Transmittance Red Notch Reflector
  • MOTAC Technology
  • 12 Illumination Intensity Settings
  • CNC Machined Aluminum Housing
  • IPX-7 Waterproof Rated
  • Wide Sight Picture
  • Side Load Battery Compartment
  • Includes Low-Profile Picatinny Rail Mount


  • Magnification Range:1x
  • Reticle Details6 MOA Red Dot
    Adjustments: 1 MOA
    Overall Elevation Adjustment: 110 MOA Overall Windage Adjustment: 80 MOA
  • Objective Lens Diameter:30mm
    Window Height: 1" / 24mm
    Window Length: 1.2" / 30mm
  • Dimensions:Overall Length: 2.1"
    Front Width: 1.3"
    Rear Width: 1.1"
    Overall Height: 1.4"
  • Weight:1.5 oz
  • BatteryCR2032
  • Battery TypeCR2032
  • Night Vision CompatibleYes
  • Brightness Settings2 NVD 10 Regular
  • Product TypeReflex Sight/Red Dot
  • Item ConditionNew
  • UPC798681605699
  • MPNSOR32003

Customer Reviews

Average Rating
June 12, 2022

This is my 2nd MAX from Euro Optic. Euro Optic is my go-to place for RDS. The price is VERY competitive and shipping is free and fast! I bought another MAX because my 1st MAX, which I bought two years ago, is aging. It got beaten up pretty good in the last two year, and it moves onto my back-up pistol. Folks - I have had two issues with my R3 MAX. The set screw for windage adjustment walked out a bit and I had no positive “clicks” when I adjusted the windage and POI drifted. This is a reported issue on the forums. Rather than sending your R3 back to SIG, you could remove the bottom cover and tighten the set screw very carefully. Another issue was that six screws that secure the bottom cover were loose. I had been having the MAX coming loose on the slide after 50+ shots repeatedly and re-tightening those screws has resolved this issue. Check them on a regular basis.

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August 23, 2020

I was looking for a new RDS as my DPP started acting up. I decided to go for one with a larger window but the price was a bit too high. I went to USPSA Mid Atlantic and got a bag of stickers and some nice prize, and the bag had a logo “EURO OPTIC”. I had to check out their business. They had this RDS in stock and the price was $475!!!! I put it in my cart and bought it in a hurry!! It arrived within a week and it is gorgeous. The window is noticeably larger and the dot is super clear. I am glad that I went with this one and you can’t beat the price!! If only I can shoot better with it, lol Thank you for the great price and sponsoring the match!!

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April 19, 2020

Great optic, about 3 times brighter then my other red dots. the best for bright sunny days.

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