Sig Sauer ROMEO3 XL 1x30 Reflex Sight, 6 MOA Red Dot, 1 MOA Adjustment, M1913 Mount - BlackSig Sauer$699.99
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Sig Sauer
The Sig Sauer ROMEO3 XL 1x30 reflex sight is a versatile open red dot built for shooters who demand speed and clarity across multiple platforms—from modern sporting rifles and shotguns to carbines and submachine guns. Its 35mm lens delivers an expansive field of view that stays uncluttered, making it easy to acquire targets quickly without tunnel vision. Whether you're running a defensive carbine, a duty weapon, or a versatile hunting setup, this reflex sight gives you the optical real estate to work fast while keeping both eyes on the game.
The heart of the ROMEO3 XL is its high-transmittance red notch reflector, engineered to cut glare and deliver a crisp dot with zero distortion—no amber haze or blooming at any brightness level. The 3 MOA dot is small enough for precision but bold enough to flash into your field of view instantly. You get multiple intensity settings to dial in the perfect brightness for overcast woods, bright midday sun, or indoor work, and the Motion Activated Illumination System (MOTAC) powers the sight up when it senses motion and powers it down when you're still, stretching battery life without fiddling. The CR2032 battery loads from the side, so you can swap it out on the fly without dismounting the sight.
Built from aircraft-grade CNC aluminum, the ROMEO3 XL is sealed to IPX-7 standards—fully submersible to 1 meter—so rain, snow, and spray won't break your sight picture. It ships with a low-profile M1913 Picatinny mount that co-witnesses with your backup irons (an absolute co-witness riser is sold separately if you need more height). A reflex sight this rugged, this clear, and this fast-target-friendly earns a place on rifles where you can't afford fumbling.
| Magnification | 1x |
| Objective Lens Diameter | 30mm |
| Reticle Type | Red notch reflector |
| Reticle Size | 3 MOA |
| Adjustment Increment | 1 MOA per click |
| Lens Diameter | 35mm |
| Battery Type | CR2032 |
| Battery Loading | Side-load |
| Waterproof Rating | IPX-7 (1 meter submersion) |
| Housing Material | Aircraft-grade CNC aluminum |
| Mount Included | Low-profile M1913 Picatinny |
| Color | Black |
| Features | MOTAC (Motion Activated Illumination), fog-proof |
The ROMEO3 XL is designed for modern sporting rifles, shotguns, carbines, submachine guns, and full-size handguns. It ships with a low-profile M1913 Picatinny mount, the standard interface on most modern long guns. An absolute co-witness riser mount is available separately if you need increased height for co-witnessing backup iron sights.
No. The Motion Activated Illumination System (MOTAC) powers the sight on only when it detects motion, then shuts it down when still. This intelligent power management extends the life of the CR2032 battery significantly compared to continuously-on designs. You can swap the battery out from the side without dismounting the sight.
Yes. The ROMEO3 XL is IPX-7 rated, meaning it can be fully submerged in water up to 1 meter deep. It is also fog-proof, so temperature changes and humidity won't cloud the optics.
The high-transmittance red notch reflector is engineered to deliver excellent brightness and light transmission without distortion across a full range of lighting conditions. Multiple intensity settings let you dial in the perfect brightness for your specific environment, from overcast to full sun.
Sig Sauer
The Sig Sauer ROMEO3 XL 1x30 reflex sight is a versatile open red dot built for shooters who demand speed and clarity across multiple platforms—from modern sporting rifles and shotguns to carbines and submachine guns. Its 35mm lens delivers an expansive field of view that stays uncluttered, making it easy to acquire targets quickly without tunnel vision. Whether you're running a defensive carbine, a duty weapon, or a versatile hunting setup, this reflex sight gives you the optical real estate to work fast while keeping both eyes on the game.
The heart of the ROMEO3 XL is its high-transmittance red notch reflector, engineered to cut glare and deliver a crisp dot with zero distortion—no amber haze or blooming at any brightness level. The 3 MOA dot is small enough for precision but bold enough to flash into your field of view instantly. You get multiple intensity settings to dial in the perfect brightness for overcast woods, bright midday sun, or indoor work, and the Motion Activated Illumination System (MOTAC) powers the sight up when it senses motion and powers it down when you're still, stretching battery life without fiddling. The CR2032 battery loads from the side, so you can swap it out on the fly without dismounting the sight.
Built from aircraft-grade CNC aluminum, the ROMEO3 XL is sealed to IPX-7 standards—fully submersible to 1 meter—so rain, snow, and spray won't break your sight picture. It ships with a low-profile M1913 Picatinny mount that co-witnesses with your backup irons (an absolute co-witness riser is sold separately if you need more height). A reflex sight this rugged, this clear, and this fast-target-friendly earns a place on rifles where you can't afford fumbling.
| Magnification | 1x |
| Objective Lens Diameter | 30mm |
| Reticle Type | Red notch reflector |
| Reticle Size | 3 MOA |
| Adjustment Increment | 1 MOA per click |
| Lens Diameter | 35mm |
| Battery Type | CR2032 |
| Battery Loading | Side-load |
| Waterproof Rating | IPX-7 (1 meter submersion) |
| Housing Material | Aircraft-grade CNC aluminum |
| Mount Included | Low-profile M1913 Picatinny |
| Color | Black |
| Features | MOTAC (Motion Activated Illumination), fog-proof |
The ROMEO3 XL is designed for modern sporting rifles, shotguns, carbines, submachine guns, and full-size handguns. It ships with a low-profile M1913 Picatinny mount, the standard interface on most modern long guns. An absolute co-witness riser mount is available separately if you need increased height for co-witnessing backup iron sights.
No. The Motion Activated Illumination System (MOTAC) powers the sight on only when it detects motion, then shuts it down when still. This intelligent power management extends the life of the CR2032 battery significantly compared to continuously-on designs. You can swap the battery out from the side without dismounting the sight.
Yes. The ROMEO3 XL is IPX-7 rated, meaning it can be fully submerged in water up to 1 meter deep. It is also fog-proof, so temperature changes and humidity won't cloud the optics.
The high-transmittance red notch reflector is engineered to deliver excellent brightness and light transmission without distortion across a full range of lighting conditions. Multiple intensity settings let you dial in the perfect brightness for your specific environment, from overcast to full sun.