Sig Sauer ROMEO4T-PRO 1x20mm Ballistic Circle Dot Red Dot Sight, Black

Sig Sauer ROMEO4T-PRO 1x20mm Ballistic Circle Dot Red Dot Sight Features and Performance

The Sig Sauer ROMEO4T-PRO 1x20mm Ballistic Circle Dot Red Dot Sight is built for shooters who want a compact optic that emphasizes speed, durability, and modern rifle-ready performance. The ROMEO4T-PRO line is designed around close- to medium-range use on rifles and shotguns, making it a strong option for AR-pattern rifles, defensive carbines, and other hard-use platforms where quick sight acquisition and dependable construction both matter.

This version is identified under part number SOR44101, and SIG SAUER’s 2024 price list directly ties that model to UPC 798681671397. SIG describes it as the black ROMEO4T-PRO with a Ballistic Circle Dot reticle, 0.5 MOA adjustment values, CR2032 battery power, and a hex bolt mount with spacer. Matching retailer listings also confirm the 1x20mm format and black finish, which helps keep this SKU clearly separated from nearby FDE and alternate-reticle variants.

The Ballistic Circle Dot reticle gives the shooter a fast and highly visible aiming solution that works especially well for practical rifle use. Retailer listings commonly describe this configuration as a 2 MOA red dot paired with a 65 MOA circle, while some also refer to it as a Quad Ballistic Circle Dot reticle. That style is attractive for shooters who want rapid target pickup and intuitive transitions while still maintaining a more precise central aiming point for deliberate shots.

Matching listings also reference a compact footprint around 2.6 inches long, 1.9 inches wide, and 2.4 inches high, along with features such as LensArmor, LensShield, SpectraCoat, and very long battery life. Those details reinforce the ROMEO4T-PRO’s role as a serious rifle optic rather than a casual range-only sight. The CR2032 power source and included mount hardware also make it easy to integrate into a practical rifle setup without overcomplicating the package.

If you are building out a complete rifle optic setup, you can browse more options in our
Optics & Optics Accessories
collection. You can also explore additional compatible sighting options in our
Red Dots & Non-Magnified Optics
category.

For manufacturer information and additional product details, visit
SIG SAUER.

• Manufacturer: Sig Sauer
• Model: ROMEO4T-PRO
• MPN: SOR44101
• UPC: 798681671397
• Magnification: 1x
• Objective Lens Diameter: 20mm
• Reticle: Ballistic Circle Dot
• Common Retail Reticle Listing: 2 MOA Dot / 65 MOA Circle
• Color: Black
• Adjustment Click Value: 0.5 MOA
• Battery: CR2032
• Mount Type: Hex bolt mount with spacer
• Approximate Dimensions: 2.6 in. x 1.9 in. x 2.4 in.