For over 22 years, MGbass Guitars has been transforming visions into extraordinary instruments. Under the masterful guidance of Maurício Costa, thousands of bassists worldwide have experienced the uniqueness of truly custom basses — each meticulously designed, sculpted, and perfected by hand. Every creation begins with a dream. Clients bring their vision, their sound, their identity — and Maurício Costa transforms that dream into a one-of-a-kind instrument, meticulously crafted to reflect both the artist’s soul and the highest standards of luthiery excellence.

This MasterBuilder Gallery is a celebration of that journey. Here you will find a special selection of exclusive custom instruments, showcasing the finest materials, innovative design, and impeccable attention to detail that define the MGbass philosophy.

Each instrument displayed represents more than just sound — it tells a story of passion, precision, and the relentless pursuit of sonic excellence.

Handcrafted in the United States. Built for artists who demand more than just an instrument.

Enjoy the experience.