Sig Sauer ROMEO4XT-PRO 1x20mm Ballistic Circle Dot Red Dot Sight, Flat Dark Earth

Sig Sauer ROMEO4XT-PRO 1x20mm Ballistic Circle Dot Red Dot Sight Features and Performance

The Sig Sauer ROMEO4XT-PRO 1x20mm Ballistic Circle Dot Red Dot Sight in Flat Dark Earth is built for shooters who want a compact optic that emphasizes speed, durability, and modern rifle-ready performance. The ROMEO4XT-PRO is part of SIG SAUER’s enclosed-emitter rifle optic lineup, giving buyers a more protected design than many traditional open-emitter red dots. That added protection is especially appealing for AR-pattern rifles, defensive carbines, and other hard-use platforms where reliability in rough conditions matters just as much as fast target acquisition.

This version is identified under part number SOR44002, and SIG SAUER’s 2024 price list directly ties that model to UPC 798681661541. SIG describes it as the Flat Dark Earth ROMEO4XT-PRO with a Ballistic Circle Dot reticle, 0.5 MOA adjustment values, AAA battery power, and a hex bolt mount with spacer. Matching retailer listings also confirm the 1x20mm format, FDE finish, and 50,000+ hour battery life, which helps keep this SKU clearly separated from the nearby black version.

The Ballistic Circle Dot reticle gives the shooter a fast and highly visible aiming solution that works especially well on practical rifles. In retailer listings for this model family, that reticle is commonly presented as a 2 MOA center dot paired with a 65 MOA outer circle. That style is attractive for shooters who want rapid target pickup without losing a more precise aiming point for deliberate shots, making it well suited for close-range speed, transitions between targets, and general-purpose carbine use.

The compact 1x20mm format helps keep the rifle trim and easy to handle, which is one of the reasons optics in this class remain popular on practical carbines. The included hex bolt mount and spacer also make the optic easier to integrate into a standard rifle setup, while the AAA battery format keeps replacement batteries simple and widely available. Combined with the enclosed-emitter design and Flat Dark Earth finish, this model is a strong fit for buyers who want a durable and streamlined red dot that still offers a more refined reticle than a simple standalone dot.

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: ROMEO4XT-PRO
• MPN: SOR44002
• UPC: 798681661541
• Magnification: 1x
• Objective Lens Diameter: 20mm
• Reticle: Ballistic Circle Dot
• Common Retail Reticle Listing: 2 MOA Dot / 65 MOA Circle
• Color: Flat Dark Earth
• Adjustment Click Value: 0.5 MOA
• Battery: AAA
• Emitter Type: Enclosed
• Mount Type: Hex bolt mount with spacer
• Battery Life: 50,000+ hours