Mike Walker won his first high gun prize at a very cold Meary Veg range on Sunday.
In the Down the Line shoot, he scored 55 in the first round, 9 less than leader Phil Ward.
However, Walker fired a best of the day score of 66 in the second round. Ward shot 56 so Walker took the honours by just one point.
Peter Kelly was third with a combined score of 116.
Cycling: Bostock nominated for national champion of the year
Manxman one of six riders on British Cycling shortlist
Football: Railway Cup hopefuls all maintain pace in premier league
Castletown stay four points clear atop Division 2
Rugby: Vagabonds Ladies stay top with another victory
Vagabonds men and Douglas also take respective wins on home soil
Hockey: Harlequins A beat rivals to close in on prem leaders
Bacchas B take important victory in battle for top-flight safety