Smith & Wesson M&P9 4.2" Slide Assembly with Acro Cut and Co-Witness Sights

The Smith & Wesson M&P9 Slide Assembly is a factory replacement or upgrade slide for the M&P9 pistol platform. Chambered in 9mm and designed for the 4.2" barrel length, this slide features co-witness height fixed sights and is optics-ready with an Acro footprint cut, allowing direct mounting of compatible red dot optics. Ideal for shooters looking to modernize or replace their M&P9 slide with factory-spec components.