Monday, May 28, 2012


From top to bottom: M16A1, M16A2, M4, and M16A4.

M16 is a lightweight assault rifle, caliber 5.56 mm, water-cooled, gas operated system, use magazen, and use a rotating bolt. M16 is made of iron, aluminum and plastic composite.

There are four main versions of the M16. The first one is M16, followed by the M16A1, which uses U.S. M193/M196 bullet. M16 can be fired on the choice of semi-automatic or full-automatic. The second is the M16A2, which came into use around 1980. M855/M856 M16A2 uses bullets that are designed Belgium (and later used as the standard 5:56 x 45 mm NATO). M16A2 can be fired semi-automatic and three-point burst. The latter is the M16A4, which became the standard for the U.S. Marine invasion of Iraq in 2003, replacing the M16A2.

1960 -
History of usage
period of use
Used by the United States, NATO,
Israel, many others
In the Vietnam War, Gulf War, Iraq War
production history
year 1957
Produced 1960 -
Above production quantities 8 million
Length of 1006 mm (39.5 in)
Barrel length 508 mm (20 in)
Magazen 5:56 x 45 mm NATO, .223 Remington
Caliber 5.56 mm (.223 in)
The operation mechanism of gas, rotating bolt
² average grain 750-900 shots / minute
Bullet velocity 975 m / s (3200 ft / s): 930 m / s (3050 ft / s)
Effective distance of 550 m
Magazen ammunition short 30-150-grain and long grain

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