Karen Butler, Lorraine Lambert and Lesley Baldwin qualified for the R8 final at the IPC Shooting World Cup USA today.
With three of the finalists, including Lambert, already having won direct slots for Rio, Butler or Baldwin must finish ahead of Dementyeva of Russia and Germany's Seeliger and Brogle to win the one available slot.
Also taking place today is the R4 event which is Richard Davies's opportunity to win a direct slot with the other three GB athletes James Bevis, Tim Jeffery and Ryan Cockbill already having won slots in R5 at previous events.