Grey Ghost Precision GGP-17 Stripped Slide, Version 3, Trijicon RMR/Leupold DPP Optic Cut, Cerakote Finish, Olive Drab Green, For Glock 17 Gen 5 GGP-17-5-OC-ODG-V3 GGP Slides for Glock pistols give you a lighter weight and attractive option for mounting optics to the Glock pistol you already love.