Built from the ground up with industry-leading functionality the ROMEO-X is the result of Sig Sauer's experience developing durable red-dot technology that’s trusted by the military and put into a streamlined civilian package. Featuring a CNC 7075 aluminum housing intuitive adjustment buttons a side-mounted battery compartment and an ultra-low deck height that gives you the ability to co-witness with standard height iron sights. Designed tested and assembled in the USA the ROMEO-X boasts direct mounting footprints for your favorite optics-ready pistols.