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Availability: In Stock
The Sig Sauer Romeo-X Enclosed Pro is a compact red dot sight designed for shooters who demand rugged reliability in a low-profile package. Built around a fully enclosed optical system and precision 7075 aluminum housing, this 1x24mm pistol optic delivers distortion-free aiming without the vulnerabilities of open-emitter designs. The green circle-with-dot reticle and 15 illumination levels—including three night vision settings—give you flexibility across daylight and low-light shooting scenarios, while the side-mounted battery compartment keeps your sight profile minimal for everyday carry and concealed-carry pistols.
What sets the Romeo-X Enclosed apart is its ultra-low deck height. That slim 0.94-inch profile lets you co-witness with standard-height iron sights, a practical feature if you want backup aiming without a second optic. The patent-pending beryllium copper flexure system absorbs recoil while maintaining zero, and the aspherical lens delivers the clarity you need when speed matters. Motion-activated illumination (MOTAC) stretches battery life to a claimed 20,000 hours, so you're not replacing your CR1632 cell often.
The RX Footprint Pro mount is Sig's proprietary attachment system, so confirm your pistol's compatibility before ordering. The sight is sealed to IPX-7 waterproof standards and assembled in the USA, reflecting Sig's military-grade design philosophy adapted for civilian carry.
| Magnification | 1x |
| Objective Lens Diameter | 24 mm |
| Height | 0.94 in (23.88 mm) |
| Overall Length | 1.83 in (46.48 mm) |
| Overall Width | 1.23 in (31.24 mm) |
| Reticle | Green circle with dot |
| Illumination Settings | 15 (12 day / 3 night vision) |
| Elevation Adjustment Range | 70 MOA |
| Windage Adjustment Range | 65 MOA |
| Battery Type | CR1632 |
| Battery Life | 20,000 hours |
| Waterproofing Rating | IPX-7 |
| Housing Material | CNC-machined 7075 aluminum |
| Mount Type | RX Footprint Pro |
| Emitter Type | Enclosed |
The RX Footprint Pro is Sig's proprietary mounting system. Compatibility varies by firearm; verify your pistol's slide is cut for this footprint before purchasing. Sig manufactures many of their modern pistols with this cut.
Yes. The Romeo-X Enclosed has an ultra-low deck height of 0.94 inches, which allows co-witness with standard-height iron sights, giving you a backup aiming solution without an additional optic.
Sig rates the CR1632 battery at 20,000 hours of runtime. The motion-activated illumination system (MOTAC) helps extend battery life by powering down the optic when motion isn't detected.
Yes, the Romeo-X Enclosed is fully enclosed and sealed to an IPX-7 waterproof rating, meaning it can handle submersion in shallow water and typical wet-weather shooting conditions.
SKU: 194198512
Current Stock: Out of stock
Availability: In Stock
Current Stock: Out of stock
The Sig Sauer Romeo-X Enclosed Pro is a compact red dot sight designed for shooters who demand rugged reliability in a low-profile package. Built around a fully enclosed optical system and precision 7075 aluminum housing, this 1x24mm pistol optic delivers distortion-free aiming without the vulnerabilities of open-emitter designs. The green circle-with-dot reticle and 15 illumination levels—including three night vision settings—give you flexibility across daylight and low-light shooting scenarios, while the side-mounted battery compartment keeps your sight profile minimal for everyday carry and concealed-carry pistols.
What sets the Romeo-X Enclosed apart is its ultra-low deck height. That slim 0.94-inch profile lets you co-witness with standard-height iron sights, a practical feature if you want backup aiming without a second optic. The patent-pending beryllium copper flexure system absorbs recoil while maintaining zero, and the aspherical lens delivers the clarity you need when speed matters. Motion-activated illumination (MOTAC) stretches battery life to a claimed 20,000 hours, so you're not replacing your CR1632 cell often.
The RX Footprint Pro mount is Sig's proprietary attachment system, so confirm your pistol's compatibility before ordering. The sight is sealed to IPX-7 waterproof standards and assembled in the USA, reflecting Sig's military-grade design philosophy adapted for civilian carry.
| Magnification | 1x |
| Objective Lens Diameter | 24 mm |
| Height | 0.94 in (23.88 mm) |
| Overall Length | 1.83 in (46.48 mm) |
| Overall Width | 1.23 in (31.24 mm) |
| Reticle | Green circle with dot |
| Illumination Settings | 15 (12 day / 3 night vision) |
| Elevation Adjustment Range | 70 MOA |
| Windage Adjustment Range | 65 MOA |
| Battery Type | CR1632 |
| Battery Life | 20,000 hours |
| Waterproofing Rating | IPX-7 |
| Housing Material | CNC-machined 7075 aluminum |
| Mount Type | RX Footprint Pro |
| Emitter Type | Enclosed |
The RX Footprint Pro is Sig's proprietary mounting system. Compatibility varies by firearm; verify your pistol's slide is cut for this footprint before purchasing. Sig manufactures many of their modern pistols with this cut.
Yes. The Romeo-X Enclosed has an ultra-low deck height of 0.94 inches, which allows co-witness with standard-height iron sights, giving you a backup aiming solution without an additional optic.
Sig rates the CR1632 battery at 20,000 hours of runtime. The motion-activated illumination system (MOTAC) helps extend battery life by powering down the optic when motion isn't detected.
Yes, the Romeo-X Enclosed is fully enclosed and sealed to an IPX-7 waterproof rating, meaning it can handle submersion in shallow water and typical wet-weather shooting conditions.
SKU: 194198512