Sig Sauer ROMEO4T-PRO Red Dot Sight 1x20mm Black

Sig Sauer ROMEO4T-PRO Red Dot Sight is a compact 1x, 20 mm aperture non-magnified optic that provides a Ballistic Circle Dot reticle for quick target acquisition on pistols, modern sporting rifles and shotguns. It supplies illumination and user controls intended for short- to medium-range engagement and recreational shooting across a range of platforms and lighting conditions.

The ROMEO4T-PRO uses Sig Sauer’s MOTAC (Motion Activated Illumination) system and is powered by a CR2032 battery for extended runtime. It offers unlimited eye relief and engineered lens coatings to support use in bright daylight and night-vision environments. Top-mounted activation and an NV override control are provided for rapid user access.

• 1x magnification with a 20 mm clear aperture for non-magnified aiming
• Ballistic Circle Dot reticle (quad-style circle-and-dot configuration)
• MOTAC motion-activated illumination with multiple daytime and NV settings
• Adjustment increment: 0.5 MOA per click for windage and elevation
• Includes clear flip-back lens covers, an opaque front flip-back and ARD kill-flash
• Hex bolt mount and included spacers for mounting height options
• Matte black finish with multi-layer optic coatings (D.A.R.C./LensArmor/LensShield/SpectraCoat)
• Compact footprint: overall length approx. 2.66″ and weight approx. 6.3 oz

Specifications & Construction
The ROMEO4T-PRO is finished in matte black and uses multiple lens coating treatments for glare reduction and optical durability. It is listed as waterproof and is assembled in the USA. Power is provided by one CR2032 battery and the unit supports MOTAC for automated illumination control. Physical specifications include a compact 2.66″ overall length and a weight of about 6.3 ounces.

Compatibility & Intended Use
This sight is designed for use on modern semi-automatic pistols, MSR platforms and shotguns and is commonly mounted to M1913 (Picatinny) style rails with the included hex-bolt mount and spacers. Typical setups include installation as a primary non-magnified optic on a patrol or range rifle, as a pistol red dot for carry or competition, or as a quick-acquisition optic on a defensive shotgun. The ROMEO4T-PRO’s unlimited eye relief and compact form factor make it suitable for close-quarters and general-purpose shooting applications.