The Norsso Reptile XP Slide is machined from solid 17-4 Precipitation Hardened Stainless Steel billet then heat treated to an H900 designation. Slide ships ready for internals and optic installation. Stripped slide only; sights, optics, internals, or other accessories shown are not included with purchase. FeaturesCNC milled compensator ports for gas control and compensator function without a threaded barrelTwo more ports for use with the N365 Ported barrel providing additional gas controlCarapace style forward top serrations for press check tractionNorsso signature 3D dynamic side windows created from complex CNC surfacingErgonomic forward and top serrations for easier press checks and slide rackingMultifaceted contoured front and rear cornersCompatible for 9mm applicationsCompatible with P365 3.1" length barrels only; P365XL 3.7" length barrels are not compatible.Threaded barrels are not compatible with this slide