The military surplus M-14 rifle was a direct successor to the World War II M-1 Garand, upgraded with selective automatic fire. It was heavy and of traditional design, not destined to last long as the standard service rifle. Warfare was changing and in Vietnam the M-14 was replaced by the M-16, a weapon better adapted to counterinsurgency war in the jungle or urban environments. The M-14 continues
. in service for limited roles. The M-14 was basically an improved M-1 Garand, and performed well as an infantry rifle. The M-14 had an effective range of 500 yards (460m), using a standard NATO 7.62mm cartridge in a 20-round magazine. Learn more at http://www.olive-drab.com/od_other_firearms_rifle_m14.php3