The shot was believed to be more than 1,000 metres further than the previous longest distance for a confirmed kill shot, and would have taken the bullet just under 10 seconds to reach its target.
“The Canadian Special Forces Operations Command can confirm that a member of Joint Task Force 2 successfully hit a target at 3,540 metres,” a source from the armed forces told Toronto’s Globe and Mail newspaper.
“For operational security reasons and to preserve the safety of our personnel and our Coalition partners we will not discuss precise details on when and how this incident took place.”
The actual shot is believed to have occurred within the past month in Iraq where Canadian troops continue to operate in an assistance, training and advisory capacity, and was fired from a high-rise building.
Another source told the Globe and Mail that the kill was confirmed by video camera and “data”.
“It isn’t an opinion. It isn’t an approximation. There is a second location with eyes on with all the right equipment to capture exactly what the shot was,” the source said.
The source said the shot disrupted an IS attack on Iraqi security.
“Instead of dropping a bomb that could potentially kill civilians in the area, it is a very precise application of force,” they said.
Shooting at that range is complicated by the time the bullet takes to reach its target, wind speed and direction, and the curvature of the earth.
The previous record for the longest shot was 2,475 metres by British sniper Craig Harrison in 2009.