SIG Sauer Romeo 4T 1x20mm Red Dot Sight


Flat Dark Earth (FDE)

Product Description

The ROMEO4T is designed for modern semi-automatic pistols, MSR platforms, and shotguns. Perfects for short and medium-range engagements and recreational shooting across a wide range of calibers and light conditions.

Fully ruggedized and impact resistant for the toughest environments. Ultra-durable and lightweight 7075 aluminum main housing and components, 1.41″ riser mount with additional lower 1/3 co-witness spacer. Comes standard with see-through lens covers and hex bolt mount.


  • Material: 7075 aluminum.
  • Complete Mil-Spec 810G testing, submersible up to 20 meters.
  • Runtime in excess of 100,000 hours with solar and battery usage.
  • Ballistic Circle-Dot and Ballistic CirclePlex reticle options.
  • Users can select from 4 different integrated reticle options (Dot, Circle-Dot, Dot with Holds, Circle-Dot with Holds).
  • Unlimited eye relief to acquire aiming point and target, regardless of eye position behind sight.
  • MOTAC (Motion Activated Illumination) powers up or down when sensing motion.
  • Uses an ultra-efficient red LED illumination for daylight visibility and extended runtime.
  • Bolt mount included.
  • Strong, lightweight 7075 Aluminum housing.
  • Waterproof, IPX-8 rated, and fog-proof.


  • Magnification: 1x
  • Objective Lens Diameter: 20 mm
  • Adjustment Increments: 0.5 MOA
  • Total Elevation Travel: 100 MOA
  • Total Windage Travel: 100 MOA
  • Overall Length: 84.7 mm
  • Overall Width: 49 mm
  • Height: 67.8 mm
  • Weight: 7.6 oz
  • Reticle Color: Red
  • Center Dot Size: 2 MOA
  • Waterproofing: IPX 8
  • Battery: (1) CR2032
  • Run Time: 10,000
  • Illumination Settings: 10 daytime/2 NV
  • Mount Type: 1/2 in Hex




Technical Information


7075 Aluminum


2.0 MOA

Catalog Location

California Prop 65 Warning

WARNING: This product can expose you to chemicals, which are known to the State of California to cause Cancer and Reproductive Harm. For more information visit