Enhance your shooting precision with the SIG ROMEO-X SIG-LOC PRO CIR DOT BLK, a game-changing red dot sight engineered for unparalleled performance. This revolutionary optic integrates seamlessly with your pistol, featuring the cutting-edge SIG-LOC system that guarantees stability and reliability under any conditions. Fully enclosed, sealed and purged optical system for ultimate protection from the elements Mounts from underneath the pistol slide using the innovative SIG-LOC system Durable 7075 Aluminum housing with machined anti-reflection grooves Extremely low deck height for a clear sight picture and co-witnessing Independent, recessed brightness adjustment buttons for optimal visibility 15 brightness settings, including options for Gen 3+ NV devices Convenient side-mounted CR2032 battery compartment for easy access Invest in the SIG ROMEO-X for unmatched accuracy and reliability in every shooting scenario.