The RGR420EX features a basswood body bolted to a maple Wizard II neck with a reverse headstock and a 24-fret rosewood fingerboard with sharktooth position markers. Components include Ibanez Vintage pickups, an Edge III double locking tremolo bridge and a locking nut. The RGR420EX was issued in special "Frost" graphic finishes as well as in a Melted Black finish.