Grey Ghost Precision Stripped Slide, Fits Glock 17 Gen 4, Dual Optic Cutout Compatible With Leupold DeltaPoint Pro or Trijicon RMR With Supplied Shim Plate (Correct Length Screws Included), Comes With A Custom G10 Cover Plate And Proper Screws For Use Without Optic Installed, Version 3 Slide Pattern, Black Nitride Finish GGP-17-4-OC-V3 High quality components and precise manufacturing make Grey Ghost Precision parts ideal for maintaining and upgrading firearms. The durability, reliability and excellent build quality of these parts will ensure years of service you can count on.