Adult MDS


Adult MDS (Mastro Defence System) at Self Defense Fit Lab in Riverside, CA offers practical, no-nonsense self-defense training for real-world situations. Built on the foundation of survival, MDS is a dynamic system developed by renowned close protection expert Fred Mastro. Designed for everyday people—not just martial artists or military professionals—this program teaches you how to react instinctively and effectively in high-stress encounters, using both armed and unarmed techniques.
In each session, our certified MDS instructors lead you through specialized drills focused on improvised weapon use, knife defense, pressure point manipulation, and close-quarter combat. The emphasis is on fast, efficient, and devastating responses to threats—perfect for anyone looking to gain a tactical edge in personal safety. You’ll not only gain valuable physical skills but also the confidence and mindset to stay calm and take control when it matters most.
Whether you're looking to supplement your existing training or begin your self-defense journey, Adult MDS at Self Defense Fit Lab provides an empowering experience in a safe, structured environment. The program is open to adults of all skill levels and physical abilities, with each class designed to challenge and elevate your capabilities. Join a community committed to self-reliance, resilience, and personal empowerment.