.45 ACP. 4" barrel length. SN: US639687. Black Melonite finish to metal parts mounting black synthetic frame with frame accessory rail and mounting triple white dot sights. Short recoil operated striker action autoloading pistol fed by detachable double stack magazines. Item features an ambidextrous magazine release, and passive safeties to grip and trigger. Left frame is molded with maker marking SPRINGFIELD INC. GENESEO, IL./MADE IN CROATIA with standard make and model markings on the slide. Serial numbers match on barrel slide and frame. Comes in black synthetic hard case with two cell magazine holder, XD GEAR marked outside waistband holster, magazine loading tool, cable lock, and three magazines.