Sig Sauer152746738
Sig Sauer Electro-Optics Sorx1500 Romeo-X Sig-Loc Pro Black Cerakote 1X 2 Moa Red Circle/Dot Reticle$599.99
Availability: In Stock
The Sig Sauer Romeo-X Sig-Loc Compact is a purpose-built pistol red dot that trades the traditional top-mount for a revolutionary bottom-mounted footprint. This isn't just a different way to attach—it's a fundamentally stronger connection designed to lock your zero tight against the punishment of repeated firing and hard impacts. Engineered for shooters who demand reliability from duty carry to competition, the Romeo-X Sig-Loc uses five points of contact between optic and slide to establish what Sig calls the industry's strongest lockup, eliminating the zero shift that can creep in over thousands of rounds.
The longer focal length inherent to the bottom-mount design does something most shooters immediately notice: it shrinks parallax and reticle distortion to near-invisible levels, giving you an incredibly forgiving sight picture whether you're shooting at speed or from awkward positions. The 2 MOA red circle-dot reticle works equally well for fast target acquisition at close range and precise aim at distance. You get 15 illumination settings—12 daylight and 3 night-vision-compatible—plus Motion Activated Illumination (MOTAC) to stretch that 20,000-hour battery life even further. The sealed 7075-T6 aluminum housing and distortion-free aspherical glass are built to weather salt spray, mud, and everything between; the whole sight is sealed to IPX-7 rating and assembled in the USA.
At just 0.94 inches tall, it co-witnesses with standard-height iron sights without forcing you into an awkward mounting height. Windage and elevation each travel 80 MOA, giving you room to dial whatever your setup demands. The Sig-Loc Compact footprint is exclusive to this line—if your pistol is cut for it (or you're building around this optic), you're buying into a platform that's been tested by professionals and backed by Sig's Infinite Guarantee.
| Magnification | 1x |
| Objective Lens Diameter | 24 mm |
| Reticle | 2 MOA Red Circle/Dot |
| Mounting Footprint | SIG-LOC Compact |
| Height (Deck) | 0.94 in (23.88 mm) |
| Overall Length | 1.67 in (42.42 mm) |
| Overall Width | 1.20 in (30.48 mm) |
| Illumination Settings | 15 (12 Daylight / 3 Night Vision) |
| Elevation Travel | 80 MOA |
| Windage Travel | 80 MOA |
| Waterproofing Rating | IPX-7 |
| Battery | 1x CR1632 |
| Battery Life | 20,000 hours |
| Housing Material | 7075-T6 Aluminum with Cerakote Black finish |
| Optics | Distortion-free aspherical glass; fully enclosed and sealed |
| Manufacture | Assembled in USA |
The SIG-LOC Compact is a proprietary mounting system exclusive to Sig Sauer's Romeo-X Sig-Loc line. You'll need a pistol with a slide cut for SIG-LOC Compact, or consider having a qualified gunsmith cut your slide if your platform supports it. Check your pistol's manual or contact the manufacturer to confirm compatibility before ordering.
This model ships with a 2 MOA red circle-dot reticle. Sig also offers the Romeo-X Sig-Loc with 3 MOA and 6 MOA red dot options. The 2 MOA strikes a balance between speed and precision—tight enough for accurate shots at distance, large enough to pick up and lock onto targets quickly in defensive or competition scenarios.
Yes. The Romeo-X Sig-Loc includes 3 dedicated night-vision illumination settings among its 15 total brightness levels, so you can run it under a night-vision device without washing out the image.
The SIG-LOC design establishes five points of contact between the optic and the pistol slide, creating what Sig engineered as the industry's strongest lockup. The bottom-mount geometry distributes recoil forces more evenly than traditional top-mounts, and the unique mechanical interface is designed to resist the shifting that can erode zero over time and heavy use.
SKU: 144600920 • Width: 3.7in • Height: 2.4in • Depth: 5.4in • Weight: 0.285oz
Availability: In Stock
The Sig Sauer Romeo-X Sig-Loc Compact is a purpose-built pistol red dot that trades the traditional top-mount for a revolutionary bottom-mounted footprint. This isn't just a different way to attach—it's a fundamentally stronger connection designed to lock your zero tight against the punishment of repeated firing and hard impacts. Engineered for shooters who demand reliability from duty carry to competition, the Romeo-X Sig-Loc uses five points of contact between optic and slide to establish what Sig calls the industry's strongest lockup, eliminating the zero shift that can creep in over thousands of rounds.
The longer focal length inherent to the bottom-mount design does something most shooters immediately notice: it shrinks parallax and reticle distortion to near-invisible levels, giving you an incredibly forgiving sight picture whether you're shooting at speed or from awkward positions. The 2 MOA red circle-dot reticle works equally well for fast target acquisition at close range and precise aim at distance. You get 15 illumination settings—12 daylight and 3 night-vision-compatible—plus Motion Activated Illumination (MOTAC) to stretch that 20,000-hour battery life even further. The sealed 7075-T6 aluminum housing and distortion-free aspherical glass are built to weather salt spray, mud, and everything between; the whole sight is sealed to IPX-7 rating and assembled in the USA.
At just 0.94 inches tall, it co-witnesses with standard-height iron sights without forcing you into an awkward mounting height. Windage and elevation each travel 80 MOA, giving you room to dial whatever your setup demands. The Sig-Loc Compact footprint is exclusive to this line—if your pistol is cut for it (or you're building around this optic), you're buying into a platform that's been tested by professionals and backed by Sig's Infinite Guarantee.
| Magnification | 1x |
| Objective Lens Diameter | 24 mm |
| Reticle | 2 MOA Red Circle/Dot |
| Mounting Footprint | SIG-LOC Compact |
| Height (Deck) | 0.94 in (23.88 mm) |
| Overall Length | 1.67 in (42.42 mm) |
| Overall Width | 1.20 in (30.48 mm) |
| Illumination Settings | 15 (12 Daylight / 3 Night Vision) |
| Elevation Travel | 80 MOA |
| Windage Travel | 80 MOA |
| Waterproofing Rating | IPX-7 |
| Battery | 1x CR1632 |
| Battery Life | 20,000 hours |
| Housing Material | 7075-T6 Aluminum with Cerakote Black finish |
| Optics | Distortion-free aspherical glass; fully enclosed and sealed |
| Manufacture | Assembled in USA |
The SIG-LOC Compact is a proprietary mounting system exclusive to Sig Sauer's Romeo-X Sig-Loc line. You'll need a pistol with a slide cut for SIG-LOC Compact, or consider having a qualified gunsmith cut your slide if your platform supports it. Check your pistol's manual or contact the manufacturer to confirm compatibility before ordering.
This model ships with a 2 MOA red circle-dot reticle. Sig also offers the Romeo-X Sig-Loc with 3 MOA and 6 MOA red dot options. The 2 MOA strikes a balance between speed and precision—tight enough for accurate shots at distance, large enough to pick up and lock onto targets quickly in defensive or competition scenarios.
Yes. The Romeo-X Sig-Loc includes 3 dedicated night-vision illumination settings among its 15 total brightness levels, so you can run it under a night-vision device without washing out the image.
The SIG-LOC design establishes five points of contact between the optic and the pistol slide, creating what Sig engineered as the industry's strongest lockup. The bottom-mount geometry distributes recoil forces more evenly than traditional top-mounts, and the unique mechanical interface is designed to resist the shifting that can erode zero over time and heavy use.
SKU: 144600920 • Width: 3.7in • Height: 2.4in • Depth: 5.4in • Weight: 0.285oz