Description
SIG SAUER ROMEO-X Enclosed Pro 3 MOA Green Dot
The SIG SAUER ROMEO-X Enclosed Pro is a compact, pistol-mounted reflex sight built for shooters who want the speed of a red-dot-style aiming system with the added protection of a sealed emitter. This exact black model, manufacturer part number SORX1380, uses a precise 3 MOA green dot and the full-size SIG RX Pro footprint, commonly associated with DeltaPoint Pro-pattern optic cuts. It is designed for compatible optics-ready pistols where a low mounting height, clear sight picture, and rugged construction matter.
Unlike an open-emitter optic, the ROMEO-X Enclosed Pro surrounds the emitter and optical path with a fully enclosed housing. That design helps keep rain, dust, lint, mud, and other debris from interrupting the projected dot. The sealed, argon-purged optical system is especially useful for a carry pistol, duty setup, competition handgun, or field sidearm that may encounter changing weather and demanding conditions.
Durable, Low-Profile Construction
SIG SAUER machines the housing from 7075 aluminum, a strong alloy selected to provide durability without unnecessary bulk. The optic measures approximately 1.83 inches long and maintains an ultra-low deck height. On a properly configured compatible pistol, that low profile can help preserve a natural presentation and may allow co-witnessing with standard-height iron sights. Exact iron-sight visibility depends on the firearm, slide cut, mounting hardware, and sight height.
A patent-pending beryllium-copper flexure system supports dependable adjustment while contributing to the sight’s streamlined form. The distortion-free aspherical lens and high-efficiency point-source emitter work together to present a clean aiming point with minimal visual distraction. At true 1x magnification, the optic is intended for shooting with both eyes open, helping the user maintain awareness of the target and surrounding area.
3 MOA Green Dot and Brightness Control
The 3 MOA green dot offers a useful balance between visibility and precision. It is large enough to acquire quickly during presentation while remaining fine enough for careful aiming at practical handgun distances. Separate, recessed brightness controls are protected against accidental contact, and the sight provides 15 illumination settings: 12 for daylight use and three compatible with night-vision equipment.
MOTAC, SIG SAUER’s Motion Activated Illumination system, powers the reticle when movement is detected and powers it down after inactivity. This reduces unnecessary battery drain while keeping the optic ready when the handgun is moved. The sight is rated for a minimum continuous runtime of approximately 20,000 hours at a medium brightness setting. Actual battery life varies with brightness, temperature, battery condition, and use.
Convenient Battery Access
The ROMEO-X Enclosed Pro uses a side-mounted battery compartment. This arrangement allows the CR1632 battery to be replaced without removing the optic from the firearm, helping preserve the established mounting position and zero. As with any pistol optic, users should follow SIG SAUER’s instructions for installation, screw selection, torque, inspection, and zero confirmation.
Key Features
- Exact model: SORX1380 with UPC 798681703470
- Reticle: 3 MOA green dot
- Magnification: 1x with a 24 mm objective specification
- Housing: CNC-machined 7075 aluminum in black
- Optical design: fully enclosed, sealed, argon-purged system
- Mounting pattern: SIG RX Pro/DeltaPoint Pro footprint
- Illumination: 12 daylight and three night-vision settings
- Power management: MOTAC motion activation
- Battery: side-loading CR1632
- Rated runtime: approximately 20,000 hours at medium brightness
- Water resistance: IPX7 rated
- Overall length: approximately 1.83 inches
Who It Is For
This ROMEO-X Enclosed Pro is a strong option for shooters assembling a durable optics-ready handgun with a full-size RX Pro or DeltaPoint Pro-pattern interface. Its enclosed design suits concealed carry, duty use, range training, competition, and outdoor use where debris protection is valuable. The green 3 MOA aiming point favors users who want rapid visual acquisition without giving up practical precision.
Before ordering, verify the pistol’s optic cut, required plate or adapter, screw dimensions, and iron-sight compatibility. The ROMEO-X Enclosed Pro is not the narrower ROMEO-X Compact model, so footprint selection is important. Once correctly mounted, confirm zero with the intended ammunition and periodically inspect the mounting screws and lens surfaces as part of routine firearm maintenance.




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