The Romeo-X Enclosed pistol red-dot from Sig Sauer brings together rugged dependability and a sleek, streamlined deSign. Drawing from Sig's extensive experience in developing durable red-dot technologies trusted by armed forces worldwide, the Romeo-X Enclosed is optimized for strength and reliability, making it ideal for concealed carry environments. Its robust CNC 7075 aluminum housing and aspherical glass lens system, built around a high-efficiency point source emitter, provide a rock-solid, distortion-free aiming solution for even the most demanding shooters. Featuring a side-mounted battery compartment and Sig Sauer's patent-pending beryllium copper flexure system, the Romeo-X Enclosed offers an ultra-low deck height that allows effortless co-witnessing with standard height iron Sights. Available in both Pro and Compact standardized footprints, this red-dot is built on Sig Sauer's legacy of trusted military innovation, delivering exceptional performance and dependability with no compromises.