The SIG Sauer ROMEO-X Enclosed Compact is a low-profile pistol reflex sight designed for concealed-carrier and duty-style applications where a compact, durable optic is required. It uses a point-source emitter and an aspherical lens system housed in CNC 7075 aluminum to deliver a distortion-free aiming image. The enclosure and IPX-7 waterproof rating protect the optical system while a side-load battery compartment and a beryllium-copper flexure mount keep the deck height low for standard-height iron co-witness. Available in a Flat Dark Earth finish, the ROMEO-X is built for reliability and everyday carry compatibility.
Key Specifications
- The optic provides 1x magnification for direct-view aiming.
- The clear aperture measures 24 mm for a compact sight picture.
- The reticle is a 2 MOA red dot / 32 MOA circle for fast target acquisition and deliberate aiming.
- The sight uses a CR1632 battery (side-load) as specified by the manufacturer.
- The battery run time is up to 20,000 hours under normal settings.
- The unloaded weight is 1.10 oz keeping the optic extremely light on the slide or plate.
- The overall length is 1.62 in for a compact footprint on pistols.
- The height is 0.94 in to facilitate co-witnessing with standard-height irons.
- The mount uses the Shield RMSc footprint (RX Compact footprint) for compatibility with RMS-c cut patterns.
- The optic is rated IPX-7 waterproof and features an enclosed, sealed optical system.
Built around SIG Sauer’s enclosed-emitter design and a low deck height, the ROMEO-X Enclosed Compact blends robust construction and everyday practicality. Its lightweight, sealed aluminum housing and motion-activated illumination (MOTAC) make it a sensible choice for carry-oriented setups or any application where a minimal, reliable reflex sight is preferred. The compact footprint and long battery life deliver convenient, long-term service without sacrificing performance.
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