The RGR421EXFM is an RG series solid body electric guitar model introduced by Ibanez in 2007.
The RGR421EXFM features a mahogany body with flamed maple top bolted to a maple Wizard II neck with reverse headstock and 24-fret bound rosewood fingerboard with dot position markers. Components include dual humbucking pickups and a standard hard-tail bridge. It was originally introduced with Designed by EMG pickups. After those were discontinued in 2008, they were replaced by covered Ibanez V7 and V8 pickups.