Base gun is a Matrix M4 with microswitch trigger, quick change spring guide and upgraded V2 Lipo ready gearbox. Upper is a Classic Army 416 upper on the Matrix M4 Lower. Upper and lower are poly. Comes with trademarked 10.5 inch replica Geissele rail, PTS motor grip, flip up iron sights. NO attachments included. Price is shipped, NO trades, NO PARTING, requests will be ignored.