SIG SAUER ROMEO-RS Pro 2 MOA 32 MOA Circle Dot Sight

SIG SAUER ROMEO-RS Pro Circle Dot Reflex Sight

The SIG SAUER ROMEO-RS Pro SOR02000 is a compact pistol-mounted reflex sight built around a reinforced steel-and-polymer structure. This exact black model uses a 2 MOA red dot with a 32 MOA circle, giving the shooter a fine central aiming point surrounded by a larger, quickly visible reference. It is a 1x optic with the SIG SAUER Pro footprint and is identified by UPC 798681703357.

ROMEO-RS stands for Reinforced Steel. Rather than relying on polymer alone, SIG SAUER molds the housing around a skeletonized steel chassis that supports and protects the aspherical glass lens. Metal inserts reinforce the mounting points, battery tray and windage and elevation mechanisms. The result is a lightweight design with added structure where the optic takes mounting load and repeated recoil.

Circle-Dot Reticle and Clear Sight Picture

The circle-dot configuration combines a 2 MOA center dot with a 32 MOA outer circle. The center dot supports precise aiming, while the surrounding circle gives the eye a larger visual reference for rapid presentation at closer distances. Eight brightness settings allow the reticle intensity to be matched to available light, target contrast and the shooter’s preference.

A molded aspheric lens is designed to minimize distortion and provide a clear sight picture. SIG SAUER’s SpectraCoat anti-reflection treatment helps reduce surface reflections and improve visible light transmission. The optic provides 70 MOA of total elevation travel and 70 MOA of total windage travel for zeroing within the adjustment range.

Controls, Battery Access and MOTAC

A large side control button makes illumination adjustments accessible without placing a control on top of the sight. The button is recessed into the housing to reduce accidental contact during use or handling. Power comes from one CR1632 battery housed in a side-loading tray secured by a screw. Because the battery is accessed from the side, routine replacement does not require removing the optic from the slide.

SIG SAUER’s MOTAC motion-activated illumination system powers the reticle when it detects movement and powers it down during inactivity. This reduces unnecessary battery use while keeping the sight responsive when the firearm is moved. SIG lists a minimum continuous runtime of 20,000 hours at the medium brightness setting in dot-only operation; actual service life depends on brightness selection, motion, storage conditions and battery quality.

Key Specifications

• Manufacturer part number: SOR02000
• UPC: 798681703357
• Magnification: 1x
• Reticle: 2 MOA red dot with 32 MOA circle
• RX footprint: Pro
• Housing: High-strength polymer molded around a skeletonized steel chassis
• Lens: Molded aspheric glass with SpectraCoat treatment
• Illumination settings: 8
• Battery: One side-loading CR1632
• Runtime: 20,000 hours at medium brightness, dot-only
• Adjustment range: 70 MOA elevation and 70 MOA windage
• Overall length: 1.83 inches
• Overall width: 1.42 inches
• Height: 1.21 inches
• Color: Black

Fitment and Installation

The ROMEO-RS Pro is intended for optic-ready pistols using SIG SAUER’s Pro cut, including compatible P320, P226 and P229 configurations. It is not intended for the original ROMEO1 cut, and it should not be assumed to fit every slide labeled “optic ready.” Before ordering, compare the firearm’s optic cut, mounting pattern and required screws with SIG SAUER’s current compatibility information.

Installation should follow the firearm and optic manufacturers’ instructions, including the specified hardware and torque values. After mounting, confirm that the optic is secure, establish a zero with the intended ammunition and recheck fasteners periodically. The package is for the ROMEO-RS Pro optic and its supplied factory components; the pistol and any backup sights shown for context are not included.