The GH-001RB Grimoire Red Beret (グリモアレッドベレー Gurimoareddoberetto?) is a Gunpla that appears in the Gundam Build Divers series. Based on the GH-001 Grimoire, it is built and piloted by Rommel.

A Gunpla based on the Grimoire. Designed for even greater functional flexibility than the base machine, every part of its body has been improved for combat use, making this a machine for experts that faithfully reflects its user's skills. A variety of option parts, both large and small, have been prepared for it.