<Tr> <Td> Mark Osmond (pseudonym) </Td> <Td> 1986--</Td> <Td> 2007--2011 </Td> <Td> British sniper with 4 Rifles credited with 44 confirmed kills in Afghanistan including two Taliban insurgents dispatched with a single bullet . </Td> <Td> 44 </Td> <Td> United Kingdom </Td> </Tr> <Tr> <Td> Craig Harrison </Td> <Td> 1974--</Td> <Td> 1990--2014 </Td> <Td> British Army sniper who achieved the second longest confirmed kill shot in history (2,475 m) using the Accuracy International L115A3 Long Range Rifle . </Td> <Td> 1 + </Td> <Td> United Kingdom </Td> </Tr> <Tr> <Td> Unnamed Royal Marine corporal </Td> <Td> </Td> <Td> </Td> <Td> Reputedly the deadliest sniper alive as of 2015 with 173 confirmed kills, mostly with the L115A3 on one tour of Afghanistan in 2006--2007, including over 90 Taliban in one day . </Td> <Td> 173 </Td> <Td> United Kingdom </Td> </Tr> <Tr> <Td> Carlos Hathcock </Td> <Td> 1942--1999 </Td> <Td> 1959--1979 </Td> <Td> Renowned United States Marine Corps sniper with 93 confirmed kills . </Td> <Td> 93 </Td> <Td> United States </Td> </Tr>

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