DEMO Heckler & Koch VP9SK Optics Ready Slide Conversion Kit Black. Just install your existing barrel and recoil spring. Specifications for Heckler & Koch VP9SK Optics Ready Slide Conversion Kit: Manufacturer: Heckler & Koch Gun Make: Heckler & Koch Gun Model: Heckler & Koch VP9 SK Caliber: 9mm Luger Optic Cut: Heckler and Koch VP9 Optics Ready Color: Black Length: 6.61 in Width: 1.31 in Height: 1.3 in Fabric/Material: Polymer Features of Heckler & Koch VP9SK Optics Ready Slide Conversion Kit Cocking supports Complete firing pin assembly Cover plate for optics cut Suppressor height sights. Black serrated rear and high contrast front sight. The suppressor height sights are specific for lower 1/3 co-witness with a mounted RMR. Other sights may vary. Package Contents: Heckler & Koch VP9SK Optics Ready Slide Conversion Kit What firearm models does the manufacturer say Heckler & Koch VP9SK Optics Ready Slide Conversion Kit is compatible with? The manufacturer says that Heckler & Koch VP9SK Optics Ready Slide Conversion Kit is compatible with Heckler & Koch VP9 SKHeckler & Koch 51000950: VP9SK Optics Ready Slide Conversion Kit Black