In 1992 Carter Hargrave founded the martial art style and system known as American Combat Kempo. American Combat Kempo has been formally recognized as a system through numerous organizations worldwide, and many of its techniques were copied for US Marines training center program. Hargrave is known as Soke or founder of ACK and has the tile of Grandmaster. He is also Grandmaster in two other styles, Kung Fu and Ju Jitsu.

The American Combat Kempo Group is under the association of kempo karate with the World Kempo Karate Association.