Lone Wolf Arms Dusk Pistol Complete Upper Slide Glock 19 9mm Gen 3 RMR Cut Graphite Gray Small. Front and rear serrations on the slide provide ease of chambering and press-check. The slide is reflex sight-ready with the DUSK19 optic cover plate included which is compatible with both Trijicon RMR/SRO and Holosun 407/507/508 (Non-K Models) footprints. Specifications for Lone Wolf Arms Dusk Pistol Complete Upper Slide: Manufacturer: Lone Wolf Arms Gun Make: Glock Gun Model: Glock 19 Model Generation: 3 Optic Cut: RMR Cut Finish: Nitride Fabric/Material: 416R Stainless Steel Caliber: 9mm Luger Magazine Included: No Features of Lone Wolf Arms Dusk Pistol Complete Upper Slide Ready to use pre-fit for a drop in installation Slides fit Lone Wolf Dusk19 frames and GLOCK Gen 3 compatiable frames Compatible with Lone Wolf Dusk19 barrels and OEM Gen 1-4 9mm barrels Coated for corrosion and wear resistance Hieat treated high strength 17-4 stainless steel construction Exacting tolerances produce greater shot-to-shot accuracy Package Contents: Lone Wolf Arms Dusk Pistol Complete Upper Slide What firearm models does the manufacturer say Lone Wolf Arms Dusk Pistol Complete Upper Slide is compatible with? The manufacturer suggests that Lone Wolf Arms Dusk Pistol Complete Upper Slide is compatible with Glock 19Lone Wolf Arms LWD-DKSlide19-G3-GG-BUILT: Dusk Pistol Complete Upper Slide Glock 19 9mm Gen 3 RMR Cut Graphite Gray Small