Experience the convenience of using a slide-mounted reflex sight without the need for suppressor height iron sights with the factory-installed Romeo-X Pro optic. Engineered to sit remarkably low to the slide, this optic allows for seamless co-witnessing with the included standard height iron sights, ensuring a consistent and familiar sight picture. Designed as a factory replacement, the P320 RXP X series stainless steel slide assembly is compatible with Compact and carry-size grip modules, both X series and non-X series. It is specifically crafted to accommodate our 3.9 inches barrel (barrel not included), delivering enhanced functionality and precision to your Sig Sauer P320 pistol. Upgrade your firearm with this premium slide assembly, combining advanced optics integration with robust stainless steel construction. Whether for tactical applications, competitive shooting or personal defense, the P320 RXP X series slide assembly offers unparalleled reliability and performance, meeting the rigorous standards of Sig SAUER enthusiasts.