
Availability: In Stock
Current Stock: Out of stock
The Sig Sauer ROMEO4H 1x20 red dot sight is a fast-target-acquisition optic built for shooters who need to stay on steel when speed counts. Whether you're running a modern tactical rifle, MSR platform, shotgun, or semi-automatic pistol, this 1x magnification sight keeps both eyes open, maintaining situational awareness while delivering a clean sight picture downrange. The 2 MOA dot with ballistic circle reticle gives you a precise aiming reference without clutter, and the included ballistic circle provides bullet-drop compensation data for longer engagements.
Durability is baked in—Sig Sauer built this sight to the same toughness standard as their firearms. The graphite finish resists glare, and the optic performs reliably across variable lighting and weather. Your sight comes with both solid and see-through lens covers to protect glass in the field and at rest. The hex bolt mount attaches securely to Picatinny rail systems, and the 0.5 MOA windage and elevation adjustments let you dial in your zero with confidence.
Battery life doesn't get much better: the ROMEO4H runs 50,000+ hours on a single CR2032 battery—that's roughly 5+ years of continuous operation. Side-loading battery access means you can swap cells in seconds without breaking your position or removing the sight. The reticle design works in bright sunlight and low light, so you're not trading performance for lighting conditions.
| Magnification | 1x |
| Objective Lens Diameter | 20mm |
| Reticle Pattern | 2 MOA Dot with Ballistic Circle |
| Adjustment Increment | 0.5 MOA |
| Battery Type | CR2032 |
| Battery Life | 50,000+ hours |
| Mount Type | Hex Bolt Picatinny |
| Color | Graphite |
| Included Accessories | Solid lens cover, see-through lens cover |
The ROMEO4H mounts to Picatinny rails on modern semi-automatic rifles, MSR platforms, shotguns, and tactical pistols via hex bolt mount.
Yes. At 1x magnification, the ROMEO4H is designed for both-eyes-open shooting, allowing you to maintain target awareness and situational context while keeping a clean sight picture.
The ROMEO4H runs 50,000+ hours on a CR2032 battery. At continuous use, that translates to roughly 5+ years before a battery swap. The side-loading battery compartment makes replacement quick and simple.
The ROMEO4H ships with solid and see-through lens covers and the hex bolt mount for Picatinny rails. No battery is included; CR2032 batteries are readily available at most retailers.

SKU: 115705830 • Width: 4.4in • Height: 3.5in • Depth: 7.8in • Weight: 1.4oz





Availability: In Stock
Current Stock: Out of stock
The Sig Sauer ROMEO4H 1x20 red dot sight is a fast-target-acquisition optic built for shooters who need to stay on steel when speed counts. Whether you're running a modern tactical rifle, MSR platform, shotgun, or semi-automatic pistol, this 1x magnification sight keeps both eyes open, maintaining situational awareness while delivering a clean sight picture downrange. The 2 MOA dot with ballistic circle reticle gives you a precise aiming reference without clutter, and the included ballistic circle provides bullet-drop compensation data for longer engagements.
Durability is baked in—Sig Sauer built this sight to the same toughness standard as their firearms. The graphite finish resists glare, and the optic performs reliably across variable lighting and weather. Your sight comes with both solid and see-through lens covers to protect glass in the field and at rest. The hex bolt mount attaches securely to Picatinny rail systems, and the 0.5 MOA windage and elevation adjustments let you dial in your zero with confidence.
Battery life doesn't get much better: the ROMEO4H runs 50,000+ hours on a single CR2032 battery—that's roughly 5+ years of continuous operation. Side-loading battery access means you can swap cells in seconds without breaking your position or removing the sight. The reticle design works in bright sunlight and low light, so you're not trading performance for lighting conditions.
| Magnification | 1x |
| Objective Lens Diameter | 20mm |
| Reticle Pattern | 2 MOA Dot with Ballistic Circle |
| Adjustment Increment | 0.5 MOA |
| Battery Type | CR2032 |
| Battery Life | 50,000+ hours |
| Mount Type | Hex Bolt Picatinny |
| Color | Graphite |
| Included Accessories | Solid lens cover, see-through lens cover |
The ROMEO4H mounts to Picatinny rails on modern semi-automatic rifles, MSR platforms, shotguns, and tactical pistols via hex bolt mount.
Yes. At 1x magnification, the ROMEO4H is designed for both-eyes-open shooting, allowing you to maintain target awareness and situational context while keeping a clean sight picture.
The ROMEO4H runs 50,000+ hours on a CR2032 battery. At continuous use, that translates to roughly 5+ years before a battery swap. The side-loading battery compartment makes replacement quick and simple.
The ROMEO4H ships with solid and see-through lens covers and the hex bolt mount for Picatinny rails. No battery is included; CR2032 batteries are readily available at most retailers.
SKU: 115705830 • Width: 4.4in • Height: 3.5in • Depth: 7.8in • Weight: 1.4oz
