 He made 48 appearances and scored 11 goals during Eastleigh's first season in the Conference Premier, including both legs of the play-off semi-final defeat to Grimsby Town, losing 5–1 on aggregate, after they finished fourth in the table.McAllister was released by Eastleigh after the end of the season.McAllister signed for National League South club Sutton United prior to the start of 2015–16.