M-16

M-16 is the military designation for a lightweight, magazine fed, gas operated, shoulder-fired weapon designed for kicking some serious ass. It was introduced by ArmaLite in the late 1950's as the AR-15.
by Andre Oolah February 16, 2007
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M-16

Ok, I'll keep this simple for the people who dont like the technical bullshit.

The M-16 is the standard assault rifle of the U.S. military, and has been the standard for over 45 years. It is well known for its new design, accuracy, and reliability on the field. The M16 was made to be able to adapt to any given situation at the moment, and as a result it can accept a wide range of accessories and extra equipment.

Because of the facts above, the M-16 has been adopted by many other countries(UK,Iraq,Italy,etc.).
"The AK-47 is the best assault rifle in the world"......(Shoots target) Damn! I missed again!(trades for M-16).
by Proud American76 May 13, 2009
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M-16

The US Military's current weapon. It is accurate, a bitch to keep working, and lack stopping power.
If you want to let them die slowly, shoot them with an
M-16. If you want to put that fucker out like a light, blast him with an AK-47. A lot of people prefer the AK to the M due to the issues of the 16 lacking the stopping power and reliability of the 47. The M-16 bullet tumbles and fragments when it hits human flesh, resulting in severe wounds, but does not have the flat out damage caused by the heavier AK-47 bullet, which demolishes everything in its path.
by cogitator November 30, 2009
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M-16

Iraqis worst enemy during war time.
Holy shit! That Marine has a M-16!
by Kite Bomber April 13, 2005
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M-16

As defined in 'The guide book for Marines" 18 revised edition:

The M16A2 rifle is a 5.56X45mm, magazine-fed, gas-operated, air-cooled, shoulder-fired weapon. It is designed for either semiautomatic or three-round burst-control fire through the use of a selector lever. The barrel is surrounded by two aluminum lined fiberglass hand guards which are notched to permit air to circulate around the barrel and further serve to protect the gas tube. A super nylon butt plate is attached to the rear of the stock to partially reduce the effects of recoil. A forward assist assembly located on the right rear of the upper reciever permits manual locking of the bolt when this is not done by the force of the action spring. A spring-loaded rataining pin can be depressed with the nose of a cartridge to allow the trigger guard to be rotated down against the pistol grip to permit the firer ready access to the trigger when wearing gloves. A dust cover is provided to prevent dirt and sand from getting into the rifle through the ejection port. The dust cover should be kept closed at all times when the rifle is not being fired. It is opened automatically by the forward or rearward movment of the bolt carrier.

General data:
weight without magazine: 7.78 lbs
with 32 rd mag fully loaded: 8.79 lbs
length overall with flash compensator 21 inches.
standard ammunition includes ball, tracer and blank
the M-16 is one of the longest standing rifles in the Us armed forces.
by C/SgtMaj December 24, 2005
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M-16

U.S. military's proud gas operated, air cooled, light weight, hand held piece of shit. It is very sensitive to all elements that you'd find outdoors, including air and sunshine. It jams if fly shit gets into the bolt so essentially it's not much of a infantry weapon. It must be cleaned constantly to be able to fire a full magazine, and after that it needs more maintanence. To extend a grunt's life on the battlefield, the A2 variant isn't fully automatic, so there will be some time between dissasembly and cleaning. The reason it became standard issue in the U.S. military is because in the 1960's Colt executives bought some high ranking military brass a few beers and lapdances. Other than that, there's no reason why a recognized military would adopt such garbage.
PFC.Smith:"Hey Jones, i can't open this beer!"
PFC.Jones:"Use the ejection port on your M-16, stupid."
by russianbear54 September 11, 2006
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M-16

A 40+ year old underpowered, outdated, and unreliable weapon-system that is more effective when thrown as a javalin with bayonet attached than it is when fired. Our soldiers deserve something better.

Oh, and bring back the .45 while you're at it, you Beretta-loving sons of bitches.
GI #1: Shit, my M-16 jammed!
GI #2: Quick, clock him with your butt-stock!
GI #1: Fuck, it broke!
GI #2: Ok, clear the jam!
GI #1: Damnit, the charging handle bent!
GI #2: ... You could use your M9.
GI #1: Huh? That thing can kill people?
by Kawalsky July 12, 2006
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