The RG421RW is an RG series solid body electric guitar model introduced by Ibanez in mid-2014. It was produced in Indonesia.
The RG421RW features a rosewood top on a mahogany body bolted to a maple Wizard III neck with a 24-fret rosewood fingerboard with white dot position markers. Components include a fixed bridge with through body string routing and dual Ibanez Quantum humbucking pickups.
The RG420RW is a similar model with a double locking tremolo bridge. The RG421CW is a version with a claro walnut top. The RG421PB which has a poplar burl top was added for 2016.