Before the Vietnam War, there was no Sniper training program ... In total, the Rock Island Arsenal converted 1,435 target-grade M14 rifles into M21s by adding a fiberglass stock, a 3-9X ART ...
During the Vietnam War, U.S. forces relied on a wide range of small arms. Learn about the evolution of these weapons, including the transition from the M14 to the M16, and their impact on infantry ...