The XD-S Mod.2 OSP 4" single-stack 9mm pistol combines impressive ballistic performance with optics-ready capability with a factory milled slide for low-profile, direct mounting of compact optics. Combining a compact, concealable frame with a 4" barrel for improved sight radius and enhanced ballistics, the pistol gives you the best of both worlds. It comes with both a flush-fit 7-round magazine and an extended 9-round magazine. The result? An EDC pistol ready to protect.