This sound is from American Sniper Soundboard

American Sniper is a 2014 American biographical war drama film directed by Clint Eastwood. It follows the life of Kyle, who became the deadliest marksman in U.S. military history with 255 kills from four tours in the Iraq War.
See also: American Sniper (book), Sniper rifle, Sniper, Longest recorded sniper kills, Sniper: Legacy, and Chris Kyle.