9mm Para. 3.1" barrel length. SN: JKV3027. Black Armornite finish overall set in a black synthetic frame and mounting fiber optic sights. Short recoil operated striker action autoloading pistol fed by detachable double stack magazines. Item features a ported barrel and slide, safety lever to the left frame, and a trigger safety mechanism. Left slide is marked M&P 9 SHIELD PLUS Performance Center followed by the {Performance Center} seal. Right slide marked with two-line address. Comes in a matching blue cardboard box with one 10-shot flush fitting magazine and one 13-shot magazine with grip extension, the owner's manual, cable lock in package, and a PERFORMANCE/CENTER cleaning kit.