Kc02 with original body and ebr kit. Has the following upgrades • rogueworx adjustable trigger • rogueworx enc piston • silent buffer pin • rogueworx barrel nut • 140% nozzle spring • rogueworx npas so it can be used in p13 and outdoors as a DMR • rogueworx cnc bolt • maple leaf 6.02mm 510mm barrel • tnt APS-x hop rubb...