He has been beaten on a 3-2 split decision against Indonesia's Aldoms Suquor in the last 64.
Earlier this year he secured a bronze medal at the European Games.
He beat Spain's Martin Molina Salvador on a split decidion in their light-flyweight boxing quarter-final in Minsk.
Buckley then advanced to the semi-finals but lost out along with Michael Nevin and Grainne Walsh.
The Wicklow native won Ireland's first medal at this Games.
Concern Raised Over Legal Aid Reforms Impacting Wicklow Courts
The Justice Minister plans to introduce a single flat fee for solicitors handling District Court cases, regardless of how many times it returns to court.
Oh Deer! Wicklow In Top Five Counties For Deer-Related Road Collisions
RSA figures show they've been on the rise since 2019.
Wicklow Parents Warned Over Baby Sleep Pillows
Public health experts says pillows, cushions and similar products should not be in a cot as they could suffocate your baby or cause baby to overheat.
Bray Retains 'Clean' Status Despite Slide in National Litter Rankings
Bray’s overall position remains stable in terms of cleanliness, but its previous top-of-table performance is now some distance away
Wicklow Power Past Tipperary To Reach Third Straight Tailteann Cup Quarter-Final
Garden men make light of the Aughrim mist to reach another Tailteann last eight duel
Light rain
High: 16°C | Low: 11°C
Light rain
High: 16°C | Low: 11°C
Light rain
High: 16°C | Low: 10°C
Light rain
High: 16°C | Low: 10°C
Light rain
High: 16°C | Low: 10°C
