The Sig Sauer ROMEO-RS Compact is a 1x open red dot designed for pistol mounting. It combines a skeletonized steel chassis with a high-strength polymer housing, a molded glass aspheric lens, and a point-source LED emitter for a clear sight picture.

A side-mounted CR1632 battery tray allows battery replacement without removing the optic, while MOTAC motion-activated illumination helps manage power use. The updated Shield RMSc footprint, side controls, and metal inserts support practical installation and adjustment.

Key Specifications

• The reticle is a 3 MOA red dot for non-magnified aiming.
• The optic provides 1x magnification with a 24 mm clear aperture.
• The mounting interface is a Shield RMSc footprint.
• The sight has a black finish.
• The open emitter design uses a point-source LED.
• Illumination is adjustable across 8 brightness settings.
• The sight uses one CR1632 battery in a side-mounted tray with a security screw.
• Runtime is rated at up to 20,000 hours at medium brightness in dot-only mode.
• The optic measures 1.61 inches in overall length.
• The listed weight is 0.75 ounces with battery.

With its compact footprint, side-access battery tray, reinforced steel chassis, and motion-activated illumination, the ROMEO-RS offers a streamlined red-dot setup for compatible pistol slides. Its straightforward controls and durable hybrid construction make it a practical addition to a compact optics platform.

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