Top US Sniper Rifles The M24 Sniper Weapon System is based on the Remington 700 hunting rifle. True False None The Barrett M82, also known as the M107, is a semi-automatic sniper rifle chambered in .50 BMG. True False None The Springfield M1903 was the primary sniper rifle used in the Vietnam War. True False None The McMillan TAC-50 holds the record for the longest confirmed sniper kill in history. True False None The M110 Semi-Automatic Sniper System (M110 SASS) replaced the M24 in Army service. True False None Time's up Most Popular