The Gunners scored from a corner once again in their 1-1 draw with Fulham at Craven Cottage on Sunday.
William Saliba cancelled out Raul Jimenez's first-half opener after the interval.
The Frenchman tapped home Kai Havertz's knock down from close range following Declan Rice's corner from the left into the penalty area.
In doing so, Arsenal reached three separate milestones thanks to the success of set piece coach Nicolas Jover.
Saliba's goal was their 20th from set pieces in the Premier League this year, excluding penalties.
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It is their joint-most in a calendar year since achieving the feat back in 2009.
Mikel Arteta's side still have three more league matches in 2024 to surpass the tally.
They have also become the first side in Europe's top five leagues to create ten or more big chances from set pieces in the league this season.
Meanwhile, Saliba's strike was Arsenal's 23rd from corners since the start of last season, eight more than any other side.
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The latest goal from a corner even prompted chants of 'Set piece again ole ole' from the away fans at Craven Cottage.
Supporters on social media also had both 'Set Piece FC' and 'Corner FC' trending on X.
However, the Gunners were denied all three points by their London rivals.
Instead, Bukayo Saka had a late goal disallowed by VAR due to an offside against Gabriel Martinelli in the build-up.
The point is enough to cut the gap to Liverpool to six points but the leaders have played a game less.
Chelsea could also climb back above Arsenal if they avoid defeat to Tottenham.