Smith & Wesson 3015613 Slide Assembly Shield S&W Shield S&W Shield Plus Optic Ready 9mm Luger Armornite Black Stainless Steel S&W Shield Pistol Optics-Ready- Slide Assembly Is a Drop-In Fit Slide That replaces slides On S&W Shield Pistols With a 3.10" Barrel. Optics Ready Slide Is Cut For Shield SMS Footprint as Well asHolosun 507K Footprint. Features Cut For Optics; No Gunsmithing required; Armornite Durable Corrosion Resistant Finish; White Dot Sights And sses Original S&W barrelfrom Your Pistol. Includes Cover Plate. Model: Slide Assembly Material: Stainless Steel Finish: Armornite