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5.45×39mm

1:00

7.62x39 Penetration Testing: AKM

3:03

Dirty Tricks in the Syrian Civil War: Spiked Ammo | The New York Times

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Slow Mo Of AK74N Firing (How It Works AK74N Assault Rifle)

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Cardboard AK-74

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Locked and loaded: Kalashnikov releases updated RPK-16 light machine gun

The 5.45×39mm cartridge is a rimless bottlenecked Intermediate cartridge. It was introduced into service in 1974 by the Soviet Union for use with the new AK-74 assault rifle. The 5.45×39mm gradually supplemented, then largely replaced the 7.62×39mm cartridge in Soviet and Warsaw Pact service as their primary military service rifle cartridge.
    • History 

    • Cartridge dimensions 

    • Wounding effects 

    • 5.45×39mm cartridge variants 

    • Civil use