Sylvan Arms Glock 19 Gen 4 Custom Glock Compatible Gun Slide is designed to improve accuracy and performance. It's perfect for the average shooter who is looking to improve performance and quality from their stock Glock slides.Features :Includes a Red Dot adapter plate that works with many different models.Trijicon Footprint RMR Cut17-4 Stainless SteelRMR Cover PlateRMR Adapter PlateWith InternalsWith Sights