Enjoy using a slide-mounted reflex sight without needing suppressor height iron sights. The factory-installed ROMEO-X COMPACT optic sits incredibly low to the slide so you can enjoy co-witness with the included standard height iron sights, giving you a consistent, familiar sight picture. Factory replacement 3.1" 9MM slide for the P365X. Compatible with all P365 9mm models and configurations with the following accompanying items: P365/P365X 3.1" barrel, and recoil assembly. This is a complete slide assembly, including all internal slide parts, and front and rear XRAY3 Day/Night sights. Barrels and recoil spring assemblies are sold separately. 2 MOA Red Dot / 32 MOA Circ Mfg: Sig Sauer, Inc.