Chaudhary's 240.7 put him ahead of Japan's Tomoyuki Matsuda, who scored 239.7, and fellow Indian Abhishek Verma's 219.3.
He captured India's first shooting gold medal of the Games in Indonesia after Deepak Kumar and Lakshay Lakshay had to settle for silver in the 10m air rifle and men's trap.
“What were you doing when you were 16? Saurabh Chaudhary is shattering records,” tweeted Indian cricket great Virender Sehwag, as news of Chaudhary's victory broke.
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