As an entry-level RG, the GRG150 is based on the classic RG550 with a pickguard, 24 frets and HSH pickup configuration, but with the non-locking FAT-10 tremolo instead of a double locking tremolo. In 2013 the model was revived after a two-year hiatus, this time with a double-locking tremolo bridge. The GRG150QA is a similar model with a quilted art grain top.