The decentralized groups, which are present in at least 34 states, engage in physical training and post white nationalist propaganda, according to the Counter Extremism Project.

According to the advocacy group Southern Poverty Law Center (SPLC), combat sport clubs have been used to boost recruitment to the Patriot Front, which was formed by Thomas Rousseau in September 2017 following the "Unite the Right" rally in Charlottesville, Virginia and has been designated as a hate group by the SPLC.