But where does that number rank the Scots against the other nations? Scroll through to find out .
5. England (7)
Joint fourth with South Africa, Jack Nowell and Nick Easter both scored three in England's 60-3 demolition of Uruguay in 2015.
6. Wales (6)
Only hours after George Horne wen't over three times against Russia, Wales winger Josh Adams also accomplished the feat against Fiji.
7. Scotland (5)
Horne's three tries against Russia puts him in illustrious company with Scotland greats Gavin Hastings, Iwan Tukalo, John Jeffrey and Ally Hogg.
8. Ireland (3)
Only three Irish players have scored World Cup hat-tricks; Keith Wood in 1999, Brian Robinson in 1991 and Brendan Mullen in 1987.