Basildon Paralympian Adam Fontain has not made today's eight-man final of the mixed R4-10m Air Rifle Standing-SH2.
He finished 20th in the 28 man field at the qualification event at the Royal Artillery Barracks in Woolwich.
The 22-year-old member of Basildon Disabled Sports Club scored 593, well below the 598 he has been managing in training this week.
None of the three Brits qualified with Richard Davies the best of them in 16th with 596, and Ryan Cockbill 21st with 592.
France's Tanguy de la Forest, New Zealand's Michael Johnson and Republic of Korea's Juyoung all shot perfect 600s to qualifying in joint first place for the final, which gets underway at midday.
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