An introduction to the M16 in Call of Duty: Black Ops multiplayer. The M16 (more formally Rifle, Caliber 5.56 mm, M16) is the United States military designation for the AR-15 rifle. 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 rifle fires the 5.56x45mm cartridge and can produce massive wounding and hydrostatic shock effects when the bullet impacts at high velocity and yaws in tissue leading to fragmentation and rapid transfer of energy.

An introduction to the AK-47 in Modern Warfare 2 multiplayer. The AK-47 is a selective-fire, gas-operated 7.62x39mm assault rifle, first developed in the Soviet Union by Mikhail Kalashnikov. The designation AK-47 stands for Kalashnikov Automatic Rifle, 1947 Model (Russian: ??????? ??????????? 47, tr. Avtomat Kalashnikova 47). It is officially known as Avtomat Kalashnikova (or simply ‘AK’). Also it is known as Kalashnikov or Russian jargon Kalash.

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This video will show the basic field strip of the AK-47 assault rifle. The AK-47 featured in this video is a Romanian WASR-10. It fires 7.62X39mm. This weapon is very powerful and reliable, however, the accuracy could be better.

The AK-47 (contraction of Russian: ??????? ??????????? ??????? 1947 ????; Avtomat Kalashnikova obraztsa 1947 goda; “Automatic rifle Kalashnikov model of 1947 year”) is a 7.62 mm assault rifle developed in the Soviet Union by Mikhail Kalashnikov in two versions: the fixed stock AK-47 and the AKS-47 (S—So skladnym prikladom) variant equipped with an underfolding metal shoulder stock. Design work on the AK began in 1944. In 1946 the rifle was presented for official military trials, a year later the fixed stock version was introduced into service with select units of the Red Army (the folding stock model was developed later). The AK-47 was officially accepted by the Soviet Armed Forces in 1949. It is also used by the majority of the member states of the former Warsaw Pact. The AK-47 was also used as a basis for the development of countless many other types of individual and crew-served firearms. It was one of the first true assault rifles and, due to its durability and ease of use, remains the most widely used assault rifle in the world. More AK-type rifles have been produced than any other assault rifle.[2][3]