The Railers played their first game on October 14, 2017, defeating the Monarchs 4–3 at the DCU Center in front of a crowd of 12,135. The first goal scored in franchise history was by forward Wade Murphy. The Railers qualified for the playoffs in their first season, losing to the Adirondack Thunder in the first round. They finished last in the competitive North Division in the 2018–19 season. The Railers then started the 2019–20 season with four wins in their first 15 games and fired head coach Jamie Russell. He was replaced by David Cunniff, who had been serving as an assistant with the Hartford Wolf Pack in the AHL.
