Sig Romeo-X Enclosed Pro 6 MOA Green SORX1390 Details
Rugged dependability meets streamlined design with the all-new ROMEO-X Enclosed pistol red dot from SIG SAUER. Leveraging SIG’s experience developing durable red-dot technologies trusted by armed forces around the world, the ROMEO-X Enclosed optimizes strength and reliability for the concealed environment.
Featuring a robust CNC 7075 aluminum housing and aspherical glass lens system built around a high-efficiency point source emitter, the ROMEO-X Enclosed creates a rock-solid, distortion free, aiming solution for the most demanding shooters and circumstances.
Equipped with a side-mounted battery compartment and SIG SAUER’s patent-pending beryllium copper flexure system, the ROMEO-X Enclosed’s ultra-low deck height allows for effortless co-witness with standard height irons and is available in both Pro and Compact standardized footprints.
Building up SIG SAUER’s DNA of trusted military innovation, the ROMEO-X Enclosed delivers streamlined dependability without compromise.
Available in black or FDE body colors.
ROMEO-X Enclosed. Where X marks the dot.
- Inspired by MIL-SPEC ROMEO-M17
- Rugged 7075 aluminum housing with a fully enclosed and sealed optical system.
- Patent-Pending Beyllium Copper Flexure Arm.
- Distortion free aspherical lens.
- MOTAC (Motion Activated Illumination)
- Avialble Reticles: 3 MOA Red Dot, 6 MOA Red Dot or Circle Dot.
- Low deck height for standard-height iron sight co-witness.
- 20,000 hour battery life with side load battery.
- 15 illumination settings including 3 night vision.
- Assembled in U.S.A.
Specifications
| RX Footprint | PRO |
|---|---|
| Height | 0.94 in [23.88 mm] |
| Objective Lens Diameter | 24 mm |
| Overall Length | 1.83 in [46.48 mm] |
| Overall Width | 1.23 in [31.24 mm] |
| Illumination Settings | 15[12 Day/ 3 NV] |
| Total Elevation Travel | 70 MOA |
| Total Windage Travel | 65 MOA |
| Run Time | 20000 hrs |
| Waterproofing | IPX-7 |
| Battery | (1) CR1632 |
The Sig Romeo‑X Enclosed Pro 6 MOA Green SORX1390 is a premium pistol-mounted reflex optic engineered for duty use, concealed carry, and performance shooting. Designed with inspiration from military-grade optics like the ROMEO-M17, this enclosed emitter red dot delivers exceptional durability, fast target acquisition, and reliable performance in demanding environments.
At the heart of the optic is a crisp 6 MOA green dot reticle, which provides outstanding visibility in bright daylight while remaining easy to track during rapid shooting. Many shooters prefer green reticles because the human eye can often detect them faster than traditional red dots, helping improve target acquisition speed and sight tracking under stress.
The ROMEO-X Enclosed Pro features a fully sealed 7075 aluminum housing that protects the internal emitter from dust, debris, and moisture. This enclosed design ensures the optic continues functioning in harsh weather or adverse field conditions where open-emitter optics may struggle.
Built with a distortion-free aspherical lens, the optic delivers a clear sight picture and precise aiming point. The low deck height allows shooters to co-witness with standard height iron sights, maintaining a streamlined pistol profile while ensuring a reliable backup aiming solution.
Powering the optic is a side-loading CR1632 battery capable of delivering up to 20,000 hours of runtime. The side-mounted battery tray allows users to replace the battery without removing the optic or losing zero. SIG Sauer’s MOTAC™ (Motion Activated Illumination) automatically powers the reticle on when motion is detected and shuts it off when the firearm is stationary, maximizing battery life and ensuring the optic is ready when needed.
The optic also includes 15 brightness settings, including night vision compatibility, allowing shooters to adjust reticle intensity for various lighting conditions. With approximately 70 MOA of elevation adjustment and 65 MOA of windage adjustment, the ROMEO-X Pro offers ample range for precise zeroing.






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