A SUPER-calm 63-year-old volunteer sniper has reportedly taken out 321 ISIS fighters in Iraq in just two years.

Abu Tahseen, who has practised his deadly art for five wars, is battling to free his homeland from the clutches of the terror group.

5 Super sniper Abu Tahseen has fought in five different wars Credit: YouTube: Iraq Popular Mobilization Units Media

5 ISIS fighters are said to fear entering his patrol zone Credit: YouTube: Iraq Popular Mobilization Units Media

5 The 63-year-old warrior even kills ISIS fighters on his days off Credit: YouTube: Iraq Popular Mobilization Units Media

The battle-hardened war veteran volunteers with Iraq’s Popular Mobilisation Units to defend his country against ISIS. And now military.com has told how he has clocked up at least 321 ISIS kills since 2015.

Such is his hatred for the group, Abu - a legend in Iraqi military circles - even spends his rare time off hunting them down. In videos, the silver-haired sniper proudly talks about the power of his rifle and how he is always calm when he guns down his enemy.

He said: "I swear, I guarantee by God when he falls, this pushes him back a metre before putting him down."

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“I’m relaxed, my mind is relaxed.

"Last time they gave me a month off and after 12 days I came back."

The pensioner tells how militants now fear the area he defends with his super-powered rifle.

After his 173rd kill Abu recorded a video to tell how he has become infamous in the enemy's ranks.

Pointing to miles of wide open space, he told the camera: "You see this area - I guarantee to God no one would come up it."

5 He fought in the Yom Kippur war, Iran-Iraq war, Invasion of Kuwait and the Gulf War Credit: YouTube: Iraq Popular Mobilization Units Media

5 Abu says he is always calm when he guns down his enemy Credit: YouTube: Iraq Popular Mobilization Units Media

He previously fought in the Yom Kippur war, Iran-Iraq war, Invasion of Kuwait and the Gulf War . In December, we told how a crack SAS sniper has successfully scored his 100th kill after blasting an ISIS chief during the battle of Mosul.