Availability: In Stock
The Sig Sauer Romeo-X Enclosed Pro is a compact 1x24mm pistol red dot built for serious shooters who demand rugged reliability in a concealed-carry footprint. If you're running a modern defensive pistol and want a low-profile optic that cowitnesses naturally with standard iron sights, this enclosed red dot pairs Sig's military-grade durability with the streamlined form factor that lets you shoot fast and stay ready. The Pro variant sits at 0.94 inches tall—low enough to line up with existing sights without modification—and delivers a sharp, distortion-free 3MOA green dot powered by an efficient point-source emitter sealed inside a fully enclosed optical system.
Built from CNC-machined 7075 aluminum and protected by an aspherical glass lens system, the Romeo-X Enclosed is engineered to handle the abuse. The patent-pending beryllium copper flexure system keeps the sight rock-solid while remaining compact, and side-mounted battery access means you can swap the single CR1632 without removing the optic from the gun. Motion-activated illumination (MOTAC) conserves battery life—you're looking at roughly 20,000 hours of runtime—while 15 brightness settings (12 daytime, 3 night vision compatible) let you dial in the perfect dot for any light. The RX Pro footprint gives you mounting flexibility, and the IPX-7 waterproof rating ensures performance in wet conditions. Assembled in the USA, this is the optic when you need speed, reliability, and a footprint that doesn't compromise your concealability.
Whether you're training at the range, carrying for personal defense, or setting up a compact rifle platform, the Romeo-X Enclosed delivers the low-height, no-fuss performance that has made Sig's red dots the choice of armed professionals worldwide.
| Magnification | 1x |
| Objective Lens Diameter | 24mm |
| Reticle | 3MOA green dot |
| Height (RX Pro) | 0.94 in (23.88mm) |
| Overall Length | 1.83 in (46.48mm) |
| Overall Width | 1.23 in (31.24mm) |
| Elevation Travel | 70 MOA |
| Windage Travel | 65 MOA |
| Illumination Settings | 15 (12 daytime / 3 night vision) |
| Battery | 1x CR1632 |
| Runtime | 20,000 hours |
| Waterproofing | IPX-7 |
| Housing | CNC 7075 aluminum |
| Footprint | RX Pro |
Yes. At 0.94 inches tall, the Pro variant is designed specifically for seamless cowitness with standard height iron sights, letting you keep both the dot and your front sight in the same sight picture without modification.
The Romeo-X Enclosed runs on a single CR1632 battery accessed via the side-mounted compartment. With MOTAC (motion-activated illumination) enabled, you can expect approximately 20,000 hours of runtime before needing a replacement.
Yes. The entire optical system is fully enclosed with an aspherical glass lens, and the optic carries an IPX-7 waterproof rating, making it reliable in wet conditions and splash environments.
The RX Pro is Sig Sauer's standardized pistol red dot mounting footprint. Compatibility depends on your specific pistol's receiver cut or mounting plate; check with your firearm manufacturer or dealer to confirm fitment for your platform.
SKU: 194198517 • Width: 3.8in • Height: 2.4in • Depth: 5.3in • Weight: 0.265oz
Availability: In Stock
The Sig Sauer Romeo-X Enclosed Pro is a compact 1x24mm pistol red dot built for serious shooters who demand rugged reliability in a concealed-carry footprint. If you're running a modern defensive pistol and want a low-profile optic that cowitnesses naturally with standard iron sights, this enclosed red dot pairs Sig's military-grade durability with the streamlined form factor that lets you shoot fast and stay ready. The Pro variant sits at 0.94 inches tall—low enough to line up with existing sights without modification—and delivers a sharp, distortion-free 3MOA green dot powered by an efficient point-source emitter sealed inside a fully enclosed optical system.
Built from CNC-machined 7075 aluminum and protected by an aspherical glass lens system, the Romeo-X Enclosed is engineered to handle the abuse. The patent-pending beryllium copper flexure system keeps the sight rock-solid while remaining compact, and side-mounted battery access means you can swap the single CR1632 without removing the optic from the gun. Motion-activated illumination (MOTAC) conserves battery life—you're looking at roughly 20,000 hours of runtime—while 15 brightness settings (12 daytime, 3 night vision compatible) let you dial in the perfect dot for any light. The RX Pro footprint gives you mounting flexibility, and the IPX-7 waterproof rating ensures performance in wet conditions. Assembled in the USA, this is the optic when you need speed, reliability, and a footprint that doesn't compromise your concealability.
Whether you're training at the range, carrying for personal defense, or setting up a compact rifle platform, the Romeo-X Enclosed delivers the low-height, no-fuss performance that has made Sig's red dots the choice of armed professionals worldwide.
| Magnification | 1x |
| Objective Lens Diameter | 24mm |
| Reticle | 3MOA green dot |
| Height (RX Pro) | 0.94 in (23.88mm) |
| Overall Length | 1.83 in (46.48mm) |
| Overall Width | 1.23 in (31.24mm) |
| Elevation Travel | 70 MOA |
| Windage Travel | 65 MOA |
| Illumination Settings | 15 (12 daytime / 3 night vision) |
| Battery | 1x CR1632 |
| Runtime | 20,000 hours |
| Waterproofing | IPX-7 |
| Housing | CNC 7075 aluminum |
| Footprint | RX Pro |
Yes. At 0.94 inches tall, the Pro variant is designed specifically for seamless cowitness with standard height iron sights, letting you keep both the dot and your front sight in the same sight picture without modification.
The Romeo-X Enclosed runs on a single CR1632 battery accessed via the side-mounted compartment. With MOTAC (motion-activated illumination) enabled, you can expect approximately 20,000 hours of runtime before needing a replacement.
Yes. The entire optical system is fully enclosed with an aspherical glass lens, and the optic carries an IPX-7 waterproof rating, making it reliable in wet conditions and splash environments.
The RX Pro is Sig Sauer's standardized pistol red dot mounting footprint. Compatibility depends on your specific pistol's receiver cut or mounting plate; check with your firearm manufacturer or dealer to confirm fitment for your platform.
SKU: 194198517 • Width: 3.8in • Height: 2.4in • Depth: 5.3in • Weight: 0.265oz