GETTY An SAS sharpshooter has confirmed his 100th kill in the fight against ISIS

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The impressive tally makes him one of the most successful snipers in the British armed forces. His latest kill is said to be a “high valued target” in the terror group, which has put up fierce resistance as the US-backed coalition attempts to recapture Iraq’s second city from the extremists. The unnamed sniper is a veteran of the wars in Iraq and Afghanistan and dozens of his past targets were ISIS fighters.

Taking his position outside a compound that was once a base for former Iraqi dictator Saddam Hussein, the sharpshooter needed just a single bullet to punch through the senior ISIS commander’s body armour, killing him instantly. More than 100 men, women and children had reportedly been tortured and murdered inside the building by the terror chief and his henchmen. The SAS waited for a week hiding less than a mile from the front gates before launching their assault.

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The shooting took place as Iraqi special forces supported by small teams of SAS troops began probing the outskirts of the city. Shortly before the sniper kill drones dropped two 500lb bombs inside the compound, killing dozens of militants. Those who survived the airstrike fled in vehicles and as the ISIS commander tried to escape he was identified by the SAS sniper through his telescopic sight and shot dead. The soldier used a Barrett M82 Light 50 rifle which can hit a target with a 0.50 inch calibre round from 1,800 metres (1.1 miles) away.

GETTY The soldier killed an Isis chief with a single bullet

GETTY The sniper's deadly efficiency puts him at the top of his regiment

A source told the Daily Star: “The sniper had a two-second window to shoot the ISIS commander. “He took the shot and the bullet almost cut the terrorist in half. He was dead before he hit the floor. “The sniper came to Iraq with around 60 kills but in the last few weeks there has been a lot of killing and he lost count of the number of terrorists he had put in the ground.” After the attack the SAS man withdrew with his team to a base south of Mosul.