Collings won the Ballinger Belt at the 1998 New Zealand rifle shooting championships. In 2009 he finished second and was top New Zealander.[4] He won back-to-back Ballinger Belts in 2021 and 2022, becoming the first person in the history of the event, dating back to 1873, to successfully defend the trophy.[5] He won the Ballinger Belt again in 2024.[6]
Collings is married to fellow sport shooter Diane Collings.[7] His father, Dennis Collings, won the Ballinger Belt in 1977, and his brother, Ross Collings, did the same in 1993.[5]