The RGD420 is an RGD series guitar introduced in 2012 as the replacement model for the RGD320Z. The RGD420 removed the tone knob, pickup selector, and check mark inlyas, and included a new mid-cut EQ swtich and black pearl dot inlays.
The RGD420 features a 26.5" scale neck and comes factory in D-Stanard tuning (D-G-C-F-A-d). Other features include a Wizard III neck, Edge Zero II tremolo, and CAP VK1 and CAP VK2 passive pickups.