King Arms P90 AdvanceThe King Arms P90 Advance is a Personal Defense Weapon which was created for close combat situations. The ambidextrous cocking handle, magazine catch, and fire selector are fully metal. Included are two metal side rails and a top rail for mounting accessories and optics. This P90 has a full metal receiver and a high quality polymer stock housing an upgraded 9mm bearing gear box with Quick Change Spring Guide design. Included is a 300 round high