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.
Weekend Cold Snap To Provide Brisk Shake Up To Interminable Rainy Monotony
Temperatures are expected to plummet over the next 24 hours as the country is hit by an arctic blast
Greystones Fishermen Still Struggling Despite Harbour Settlement Warns Senator
Despite a legal settlement aimed at resolving lengthy disputes, issues remain for fishermen and families in Greystones according to Senator Aubrey McCarthy
Kilkenny Hurling Legend Helps Wicklow GAA Expand Profile With Fans App
Wicklow GAA signs up to SocialTies digital platform boosting its community engagement with local clubs, while increasing its digital revenue with a supporters app
New Plan Approved For Greystones Delgany Kilcoole.
The framework will guide future development in these Wicklow areas.
Rás Tailteann Returns to Wicklow with Baltinglass Stage Finish
The return of the Rás is expected to deliver a significant tourism and economic boost for Baltinglass and surrounding areas, with large crowds anticipated to line the Wicklow roads.
7:00am - 10:00am
Saturday Breakfast
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Light rain
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Heavy rain shower
High: 4°C | Low: -4°C
Light rain shower
High: 5°C | Low: -3°C