Sale of Guns Soar Following Election

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39. The M-16 is not and never was semi auto

you're thinking of the AR-15

The M16 (officially Rifle, Caliber 5.56 mm, M16) is the United States military designation for the AR-15 rifle adapted for semi-automatic, three-round burst and full-automatic fire.[6] Colt purchased the rights to the AR-15 from ArmaLite, and currently uses that designation only for semi-automatic versions of the rifle. The M16 fires the 5.56×45mm NATO cartridge. The rifle entered United States Army service and was deployed for jungle warfare operations in South Vietnam in 1963,[7] becoming the U.S. military's standard service rifle of the Vietnam War by 1969,[8] replacing the M14 rifle in that role. The U.S. Army retained the M14 in CONUS, Europe, and South Korea until 1970. Since the Vietnam War, the M16 rifle family has been the primary service rifle of the U.S. armed forces.

The M16 has also been widely adopted by other militaries around the world. Total worldwide production of M16-style weapons since the design's inception has been approximately 8 million, making it the most-produced firearm of its caliber.[9] In 2010, the M16 began to be phased out in the U.S. Army and is being replaced by the M4 carbine, which is itself a shortened derivative of the M16A2
he AR-15 which is semi auto only. The M-14 was also a select fire battle rifle.

http://en.wikipedia.org/wiki/M14_rifle

M14 rifle, formally the United States Rifle, 7.62 mm, M14,[5] is an American selective fire automatic rifle that fires 7.62×51mm NATO (.308 Winchester) ammunition. It was the standard issue U.S. rifle from 1959 to 1970.[6] The M14 was used for U.S. Army and Marine Corps basic and advanced individual training, and was the standard issue infantry rifle for U.S. military personnel in the Contiguous United States, Europe, and South Korea, until it was replaced by the M16 rifle, in 1970. The rifle remains in limited front line service within all branches of the U.S. military. It is also used as a ceremonial weapon by honor guards, color guards, drill teams, ceremonial guards, and the like.

The M14 rifle was also the last American "battle rifle" (weapons that fire full-power rifle ammunition, such as the 7.62×51mm) issued in quantity to U.S. military personnel. The M14 also provides the basis for the M21 and M25 sniper rifles.

http://en.wikipedia.org/wiki/M16_rifle