This 9mm parts kit includes all of the internal components needed to complete a ZEV stripped slide. NOTE: Fits Gen 1- 4. Not Gen-5 compatible. *Due to a shortage, channel liners may ship as black instead of red. If you prefer to wait for red, please contact customer service for the current lead time. Included Components ZEV Striker ZEV Extractor Channel liner Striker sleeve Spring Cups Extractor Rod, Bearing ,and Spring Assembly ZEV Backplate ZEV Steel Firing Pin Safety and Spring ZEV PRO Striker Spring