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Self Defense Online

American Fight System Online will get you started down the path of self-defense.

Local To Dover, PA?

What We Do

We are bringing Martial Arts into the 21st Century by offering all our courses
In-Studio AND Online.
We offer Fitness, Wellness, Martial Arts and Self-Defense Classes.

Who We Are

We have the top ranked instructors in the area with combined over 100 years of training experience. Winning countless tournament awards, training hundreds of students, pro and amateur, we will give you an edge over any other martial arts studio.

Grand Master Mat Trimmer

Shotokan, Boxing, MMA, Kickboxing, Founder of Sho Tai Ryu and American Fight System

Started training at the age of 10, and by the age of 37 gained the rank of Grand Master. Inducted into the World Karate Union Hall of Fame in 2011, he loves to teach and bring new students into the arts.

Now Part of the Peerfit Network

Our Self-Defense

American Fight System will teach you
quick and simple self-defense techniques.

Our Cardio

Follow our schedule and hit your fitness goals

Our Online Courses

We have our own film crew and are constantly adding new videos.

14 Day Online FREE Trial!

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  • – Gain Access to All Videos Instantly
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In-Studio Martial Arts
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  • – Includes Online Membership
  • – 7-day FREE Trail
  • – No Sign Up Fee
  • – Gain Access to any Shotokan Class
  • – Gain Access to any Boxing Class
  • – Gain Access to any MMA Class
  • – Gain Access to any Self-Defense Class

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