Agency Arms Peacekeeper Stripped Precut Glock 19 Pistol Slide Gen 4 Compatible Black. These pre-cut slides will come with a Gen 3 ISMI Recoil Spring Assembly (RSA) and a channel liner installed (Gen 4 compatible models will come with an adapter for the RSA). The Peacekeeper model introduces slide lightening windows and is optimized to have great balance when running a RDS. The design features a tri-top cut enhanced rear serrations aggressive front serrations side windows (L + R) extended chamfer serrations and precut with our Agency Optic System (AOS). Specifications for Agency Arms Peacekeeper Stripped Precut Glock 19 Pistol Slide: Manufacturer: Agency Arms Gun Make: Glock Gun Model: Glock 19 Optic Cut: Leupold DeltaPoint Docter/Noblex Vortex Viper Vortex Venom Burris Fastfire Trijicon RMR Color: Black Finish: Diamond Like Carbon Fabric/Material: 17-4 Stainless Steel Additional Features: M3 compatible with M3 x 5mm to M3 x 10.2 MM for cover plate Included Accessories: Slide Case Features of Agency Arms Peacekeeper Stripped Precut Glock 19 Pistol Slide Material - 17-4 Stainless Steel Coating - Diamond Like Carbon (DLC) Optic Cut - Agency Optic System AOS Plate - Iron Plate Included Internals - Recoil Spring Assembly and Channel Liner Package Contents: Agency Arms Peacekeeper Stripped Precut Glock 19 Pistol Slide Slide Case What firearm models does the manufacturer say Agency Arms Peacekeeper Stripped Precut Glock 19 Pistol Slide is compatible with? The manufacturer suggests that Agency Arms Peacekeeper Stripped Precut Glock 19 Pistol Slide is compatible with Glock 19Agency Arms 25SS-G19G4-PK: Peacekeeper Stripped Precut Glock 19 Pistol Slide Gen 4 Compatible Black