
Availability: In Stock
The Sig Sauer Romeo-M17 is a 1x24mm enclosed red dot sight engineered specifically for the Sig M17 and M18 pistols—the same guns trusted by the U.S. military. Unlike universal optics that force compromises, the Romeo-M17 was built from the ground up for the MHS platform, mounting directly beneath the slide using the existing rear sight block and screw. It's a fully sealed, American-made optic that doesn't ask your pistol to adapt; it adapts to your pistol.
This is purpose-built red dot sight for pistol shooters who refuse shortcuts. The compact, low-profile housing sits just 1.1 inches tall, so you maintain a full sight picture and can co-witness with standard-height iron sights—no height-over-bore drama. The SIG-LOC proprietary interface locks the optic down with zero play, while integrated gas deflectors and machined anti-reflection grooves keep the sight glass clear and glare-free in any condition. A fully sealed and purged optical system means you're protected from dust, debris, and weather, whether you're training at the range or carrying for duty.
The Romeo-M17 runs a 2 MOA dot paired with a 32 MOA circle, and you can select any combination—dot only, circle only, or both together. Fifteen independent brightness levels (including three optimized for night-vision use) adjust via recessed, tactile buttons you can operate even with gloves on. The side-mounted CR2032 battery compartment is threaded for tool-free changes, and the optic runs up to 50,000 hours at medium brightness. Windage and elevation both click at 1.5 MOA per adjustment, with slotted screws you can dial with any flat-blade tool. MOTAC motion activation and MAGNETAC magnetic wake keep the battery alive only when you need it.
This is red dot sight designed, tested, and assembled entirely in the USA—the kind of optic you buy once and trust for years.
| Brand | Sig Sauer |
| Model | Romeo-M17 |
| Magnification | 1x |
| Objective Lens Diameter | 24 mm |
| Mounting Interface | SIG-LOC (M17/M18 MHS rear sight block) |
| Height | 1.1 inches |
| Length | 2.4 inches |
| Width | 0.9 inches |
| Reticle | 2 MOA red dot / 32 MOA circle (independently selectable) |
| Brightness Settings | 12 daytime + 3 night-vision (15 total) |
| Elevation Travel | 40 MOA |
| Windage Travel | 80 MOA |
| Adjustment Resolution | 1.5 MOA per click |
| Battery | 1x CR2032 |
| Battery Runtime | Up to 50,000 hours (dot only, medium brightness) |
| Housing Material | 7075 aluminum |
| Sealing | Fully enclosed and purged |
| Emitter Type | High-efficiency point source LED |
| Special Features | MOTAC, MAGNETAC, D.A.R.C. coatings, integrated gas deflector, motion-activated illumination |
| Manufactured | USA |
Yes. The Romeo-M17 mounts directly beneath the slide of both the Sig Sauer M17 and M18 using the existing rear sight block and mounting screw. It's the only optic specifically engineered for this platform. No additional modifications or adapters are required.
Yes. The optic includes three brightness settings specifically optimized for use with Gen 3+ night-vision devices, in addition to its twelve daytime settings.
The Romeo-M17 runs up to 50,000 hours on a single CR2032 battery at medium brightness setting when using the dot only. The battery compartment is side-mounted with a threaded cap, so you can change the battery without removing the optic from your gun.
You have full control: the reticles are independently selectable, so you can run the dot alone, the circle alone, or both the dot and circle together—whichever works best for your shooting style or mission.

SKU: 144597496
Availability: In Stock
The Sig Sauer Romeo-M17 is a 1x24mm enclosed red dot sight engineered specifically for the Sig M17 and M18 pistols—the same guns trusted by the U.S. military. Unlike universal optics that force compromises, the Romeo-M17 was built from the ground up for the MHS platform, mounting directly beneath the slide using the existing rear sight block and screw. It's a fully sealed, American-made optic that doesn't ask your pistol to adapt; it adapts to your pistol.
This is purpose-built red dot sight for pistol shooters who refuse shortcuts. The compact, low-profile housing sits just 1.1 inches tall, so you maintain a full sight picture and can co-witness with standard-height iron sights—no height-over-bore drama. The SIG-LOC proprietary interface locks the optic down with zero play, while integrated gas deflectors and machined anti-reflection grooves keep the sight glass clear and glare-free in any condition. A fully sealed and purged optical system means you're protected from dust, debris, and weather, whether you're training at the range or carrying for duty.
The Romeo-M17 runs a 2 MOA dot paired with a 32 MOA circle, and you can select any combination—dot only, circle only, or both together. Fifteen independent brightness levels (including three optimized for night-vision use) adjust via recessed, tactile buttons you can operate even with gloves on. The side-mounted CR2032 battery compartment is threaded for tool-free changes, and the optic runs up to 50,000 hours at medium brightness. Windage and elevation both click at 1.5 MOA per adjustment, with slotted screws you can dial with any flat-blade tool. MOTAC motion activation and MAGNETAC magnetic wake keep the battery alive only when you need it.
This is red dot sight designed, tested, and assembled entirely in the USA—the kind of optic you buy once and trust for years.
| Brand | Sig Sauer |
| Model | Romeo-M17 |
| Magnification | 1x |
| Objective Lens Diameter | 24 mm |
| Mounting Interface | SIG-LOC (M17/M18 MHS rear sight block) |
| Height | 1.1 inches |
| Length | 2.4 inches |
| Width | 0.9 inches |
| Reticle | 2 MOA red dot / 32 MOA circle (independently selectable) |
| Brightness Settings | 12 daytime + 3 night-vision (15 total) |
| Elevation Travel | 40 MOA |
| Windage Travel | 80 MOA |
| Adjustment Resolution | 1.5 MOA per click |
| Battery | 1x CR2032 |
| Battery Runtime | Up to 50,000 hours (dot only, medium brightness) |
| Housing Material | 7075 aluminum |
| Sealing | Fully enclosed and purged |
| Emitter Type | High-efficiency point source LED |
| Special Features | MOTAC, MAGNETAC, D.A.R.C. coatings, integrated gas deflector, motion-activated illumination |
| Manufactured | USA |
Yes. The Romeo-M17 mounts directly beneath the slide of both the Sig Sauer M17 and M18 using the existing rear sight block and mounting screw. It's the only optic specifically engineered for this platform. No additional modifications or adapters are required.
Yes. The optic includes three brightness settings specifically optimized for use with Gen 3+ night-vision devices, in addition to its twelve daytime settings.
The Romeo-M17 runs up to 50,000 hours on a single CR2032 battery at medium brightness setting when using the dot only. The battery compartment is side-mounted with a threaded cap, so you can change the battery without removing the optic from your gun.
You have full control: the reticles are independently selectable, so you can run the dot alone, the circle alone, or both the dot and circle together—whichever works best for your shooting style or mission.
SKU: 144597496
