The Smith & Wesson 14511 Slide Assembly is designed for the M&P 9 M2.0 with a 4.22-inch barrel. This model features co-witness height sights, ensuring optimal alignment for accuracy. The assembly is an essential component for those looking to replace or upgrade their handgun slide.Key FeaturesCo-Witness Height Sights: Equipped with fixed sights designed for co-witnessing with red dot optics.