The Norsso Spec Ops 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. FeaturesFull-slide length multi-facet side surfacesDeep, wide-milled angled front and rear serrations for easier slide manipulationMultifaceted contoured front and rear cornersCompatible for 9mm applicationsCompatible with both the old and new style extractor. For use with the 3.7" length 9mm P365XL barrel