Grey Ghost Precision Stripped Slide, For Sig P320 Full Size, Dual Optic Cutout Compatible With Leupold Deltapoint Pro, Trijicon Rmr, Or Sig Romeo1 With Supplied Shim Plate (correct Length Screws Included), Comes With A Custom G10 Cover Plate And Proper Screws For Use Without Optic Installed, Version 1 Slide Pattern.