Springfield Armory(R) XD Mod.4 is a semi-automatic pistol chambered in 9mm Luger. It features a 4 in steel barrel with black Melonite finish an optics-ready serrated slide and a black polymer frame with Picatinny accessory rail. This configuration uses a 16-round detachable magazine and features a textured grip for secure handling.Key Features 4 in steel barrel with black Melonite finish chambered in 9mm Luger Semi-automatic operation with 16-round detachable magazine Optics-ready serrated slide for compatible reflex sights Black polymer frame with Picatinny accessory rail Textured grip surface for secure handlingSpringfield Armory(R) builds modern firearms that blend proven designs with contemporary features for today's shooters. The brand is known for duty-capable handguns and performance-oriented platforms that support optics lights and high-round-count training. Springfield Armory focuses on practical reliability shooter-friendly ergonomics and consistent value across its lineup.