In 2018, McReight led the Junior Wallabies to their first Oceania U20s title, including a 24-0 victory over New Zealand.

Over this time, McReight won successive Junior Wallabies' player of the year awards, signing a contract with the Queensland Reds in 2018.

McReight made his international debut in the second round of the 2020 Tri Nations Series (a reformatted Rugby Championship due to COVID-19) against New Zealand in Sydney when Harry Wilson (rugby union) was substituted off for him in the 67th minute of the game in which the Wallabies lost 43 to 5.

[3] McReight played in three games in the lead up to the 2023 Rugby World Cup, all starting at openside flanker.

McReight was included in the Wallabies 2023 Rugby World Cup squad, playing in each game, three in the starting XV and one off the bench.