 McAllister plays as a striker, he is "an explosive front man", and is described as a "target man" because of his height.His time at Basingstoke Town was described as "prolific" due to the number of goals he scored.While at Exeter City, manager Paul Tisdale described him as "excellent", and said that McAllister and fellow Exeter City striker Richard Logan had a good partnership together after McAllister scored a hat-trick for the reserve team.