Circle Dot red
Red Circle Dot, black housing.
Technical Data
Reflex sight · illuminated dot
Sig Sauer ROMEO-X Compact reflex sight
Open reflex sight for pistols with the Shield RMSc footprint, with motion activation, side-loading battery and low deck height.
3, 6 MOA or Circle DotReticle
Shield RMScMounting footprint
28.3 g (1.0 oz)Weight with battery
CR1632Battery
This configuration
Available with a red Circle Dot (black, FDE or ROSE edition), a red 3 MOA dot (Blackout), a green 3 MOA dot or a red 6 MOA dot; only the selected version is supplied.
Features in practical use
Motion activation (MOTAC)
The sight switches off after 2 minutes without motion and turns back on with the last brightness and reticle setting as soon as it detects movement.
15 brightness settings
There are 12 daylight and 3 night vision settings; the night vision settings are optimized for Gen 3+ night vision devices (D.A.R.C.).
Side-loading battery
The CR1632 battery is changed from the side without removing the sight and without re-zeroing; runtime is up to 20,000 hours (continuous, medium setting, dot only).
Low deck height
With a height of 0.94 in (23.9 mm) the sight allows co-witnessing with standard-height iron sights.
7075 aluminum housing
The housing is made of 7075 aluminum and the lens is aspherical and, according to the manufacturer, distortion free.
Integrated rear sight
The housing includes a rear sight notch; versions with fiber optics have fiber rods, while the Blackout version has a plain black rear sight.
Waterproof to IPX-7
The manufacturer rates the sight IPX-7, meaning submersion up to 1 meter.
Torx key adjustment
Elevation and windage are adjusted with the supplied T6 Torx key; one click equals 1.5 MOA. Total travel is 80 MOA for both elevation and windage.
Available versions
Version
Included items
- Reflex sight in the selected version
- Operator's manual
- Mounting screws: 2 × M3 × 0.5, 11.75 mm; 2 × M4 × 0.7, 9.25 mm; 2 × M4 × 0.7, 8.75 mm
- T10 and T6 Torx wrenches
- CR1632 battery
Matching products
For pistols with the Shield RMSc footprint, for example optic-ready SIG P365 models. According to the manufacturer the sight also mounts without an adapter to selected models from other makers (including Glock G43X and G48, Springfield Hellcat, S&W M&P Shield Plus). The firearm is not included.
* Firearms, mounts and other accessories shown are not included unless they are expressly listed. The selected product variant and the described scope of delivery are decisive.
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Manufacturer according to GPSR
Sig Sauer
Sig Sauer
