For use with the standard 9mm 4.7″ non-threaded or 5.5″ threaded barrels. Factory replacement Pro-Cut Slide Assembly for the P320 X-Compact through X-full size pistols. Compatibility: ROMEO1-PRO, ROMEO2, Delta Point Pro and RMR (requires sealing plate) footprint. XRAY3 Day/Night Suppressor height sights. Durable PVD Finish. Stylized relief cuts, Removable optics plate with top accessible screws