His inheritance consisted of the fiefs Waltersbrück and Völkershausen. He received his military training under King Frederick William I of Prussia. In 1723, he was promoted to lieutenant-general and appointed as governor of Minden.
He left the Prussian army in 1730.
He later served as Field Marshal Lieutenant in the Swedish army, as General in the Hessian army and as Lieutenant General in the Imperial army. George Charles died in 1755, unmarried and childless.