The Springfield Armory XD Mod.4 OSP 9mm 4" Black Optic Ready Handgun is a highly reliable striker-fired defensive pistol built to deliver consistent performance in local-capacity restricted regions. Constructed with a hammer-forged steel barrel and a rugged black polymer frame, it utilizes a factory-milled slide designed to directly accommodate modern micro red dot sights. Shooters benefit from the signature USA Action Trigger System flat-faced shoe alongside passive grip and internal drop safeties to ensure it only discharges with a proper shooting grip. The inclusion of a fiber optic front sight and high-contrast white-dot rear sight enables immediate target acquisition out of the box. Delivering a smooth, predictable trigger break and a defined wall, it offers premium duty features at a highly competitive defensive price point.