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Sig Sauer, ROMEO-X, Green Dot Sight, 24mm Objective, 6 MOA Green Dot, Matte Finish, Black, SIG-LOC Footprint, Enclosed Emitter - SORX1590 - 798681732104
Product Description
Open-emitter red dots mounted on carry handguns are vulnerable to lint, rain, mud, and dust obscuring the emitter lens and washing out the reticle when you need it most. Traditional fully enclosed optics often require tall adapter plates or feature bulky housings that sit unnaturally high on the slide. The Sig Sauer ROMEO-X Enclosed Green Dot Sight (SORX1590) addresses these duty-carry bottlenecks by housing a high-efficiency green emitter inside a gas-purged, weather-sealed optical housing engineered to mount ultra-low via the SIG-LOC direct interface.
Machined from 7075-T6 aircraft-grade aluminum with a durable matte black anodized finish, the ROMEO-X Enclosed features a high-contrast 6 MOA green dot reticle. The 6 MOA focal point allows rapid reticle acquisition during high-speed, close-quarters threat engagements while remaining crisp for precise center-mass shots. Powered by Sig's MOTAC (Motion Activated Illumination) system, the optic automatically wakes up upon movement and powers down when stationary, providing up to 20,000 hours of continuous runtime on a side-loading CR1632 battery.
Designed around the SIG-LOC mounting standard, the SORX1590 sits low enough on optic-ready slides to co-witness with standard-height iron sights without tall suppressor-height blades. Upgrade your duty or concealed-carry handgun with sealed, weather-proof optical reliability and instantaneous green-dot acquisition.
*Armorer Bench Notes & Real-World Staging Guidance:
Fitment Matrix: Direct mounting compatibility with Sig Sauer optic-ready slides featuring the SIG-LOC / DeltaPoint Pro footprint (such as P320 optic-ready series, P226/P229 RX/optic-ready slides, and SIG-LOC cut platforms). The ultra-low deck height permits standard iron sight co-witnessing on most SIG-LOC optics-ready slides. Always verify slide cut dimensions prior to mounting.
Installation Sequence:
- Safety check the firearm, remove the magazine, and physically/visually confirm an empty chamber.
- Remove factory optic cover plate and clean the slide mounting pocket of oil, dirt, and thread residue.
- Place the ROMEO-X Enclosed directly into the slide pocket, ensuring proper alignment over the SIG-LOC recoil lugs.
- Apply a small drop of low-strength/medium-strength threadlocker (Loctite 242/243) to the mounting screws.
- Torque mounting screws evenly to manufacturer specifications (typically 15 in-lbs) using a calibrated torque driver. Do not over-torque. Install battery and verify reticle illumination prior to live-fire zeroing.
Key Features
- Fully Enclosed Emitter Architecture: Gas-purged, nitrogen-filled housing shields the internal emitter from water, mud, lint, and debris.
- High-Contrast 6 MOA Green Dot: Bright green reticle provides rapid target indexing and visual clarity against bright outdoor backgrounds.
- Ultra-Low Deck Height: Designed to allow standard-height iron sight co-witnessing without replacing factory sights.
- MOTAC Motion Activation: Automatically powers on when motion is detected and conserves battery life during idle periods.
- 7075-T6 Billet Aluminum Housing: Heavy-duty housing withstands slide acceleration shock, casing impacts, and harsh service wear.
- Side-Loading Battery Tray: Tool-less CR1632 battery cap allows quick battery replacement without removing the optic or losing zero.
Product Specifications
- Brand: Sig Sauer
- Model: ROMEO-X Enclosed Green Dot Sight
- MPN: SORX1590
- UPC: 798681732104
- Reticle: 6 MOA Green Dot
- Objective Lens Diameter: 24mm
- Mounting Footprint: SIG-LOC (DeltaPoint Pro Pattern Compatible)
- Housing Material: 7075-T6 Aluminum
- Finish: Matte Black Anodized
- Battery Type: CR1632 (Side-Loading)
- Illumination Settings: 12 Settings (10 Daylight / 2 NV Compatible)
- Weight: 1.1 oz
