Krav Maga Studio in Riverside, CA

About Us
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At Self Defense Fit Lab, we believe that self-protection, physical strength, mental clarity, and self-confidence are skills everyone deserves to develop. That’s why we’ve created a one-of-a-kind training center dedicated to helping you become stronger, safer, and more empowered—both mentally and physically.
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We proudly offer regular training in two of the world’s most effective self-defense systems: Krav Maga and Mastro Defence System (MDS). As the only self-defense and fight science fitness facility certified by both the United States Krav Maga Association (USKMA) and Mastro Defence System, we provide top-tier instruction that blends real-world experience with cutting-edge techniques.
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Why Train With Us?
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Krav Maga is the official hand-to-hand combat system of the Israeli Defense Forces and is globally recognized for its practical, instinct-driven techniques. It emphasizes real-world scenarios, helping individuals respond effectively under pressure. Through our partnership with USKMA, we deliver elite-level instruction trusted by law enforcement and military personnel across the country.
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Mastro Defence System, developed by security and defense expert Fred Mastro, focuses on no-nonsense survival tactics—including knife defense, improvised weapons, and hand-to-hand combat. With over two decades of real-world experience behind it, MDS is built for everyday people facing everyday threats.
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Our Mission
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At Self Defense Fit Lab, our mission is simple: to empower individuals with the tools they need to stay safe, live healthier lives, and build unshakable confidence. Whether you're a complete beginner or looking to level up your skills, our expert-certified instructors are committed to guiding you through a transformative journey—physically, mentally, and emotionally.