The 5 Deadliest Guns of Modern War

While everyone oohs and aahs over nuclear weapons, submarines and stealth fighters, modern wars usually involve infantries on the ground—and they need guns.

Modern warfare has seen breathtaking advances in the last hundred years, as mortal competition between nations spawns successively deadlier weapons. Aircraft, missiles, tanks, submarines and other inventions—many of which did not exist in practical terms in 1914—have quickly earned key positions in the militaries of the world.

Yet there is still one invention that, although conceived more than five hundred years ago, still has a vital place on today’s battlefield: the infantry weapon and supporting arms. No matter how high tech the armed forces of the world have become, warfare since the end of the Second World War has consistently involved some form of infantry combat.

In his seminal work on the Korean War, This Kind of War, historian T.R. Fehrenbach wrote, “you may fly over a land forever; you may bomb it, atomize it, pulverize it and wipe it clean of life—but if you desire to defend it, protect it and keep it for civilization, you must do this on the ground, the way the Roman legions did, by putting your young men in the mud.” With that in mind, here are five of the most deadly guns of modern war.

AK-47:

The undisputed king of the modern battlefield is the Avtomat Kalashnikova model 47, or AK-47. Extremely reliable, the AK-47 is plentiful on Third World battlefields. From American rap music to Zimbabwe, the AK-47 has achieved icon status, and is one of the most recognizable symbols—of any kind—in the world. The AK series of rifles is currently carried by fighters of the Islamic State, Taliban fighters in Afghanistan, various factions in Libya and both sides in the Ukraine conflict.

The AK-47, as the story goes, was the brainchild of the late Mikhail T. Kalashnikov. A Red Army draftee, Kalashnikov showed a talent for small-arms design while convalescing from battlefield injuries, and had assembled a prototype assault rifle by 1947. (There is some circumstantial evidence, however, that the AK-47 was at least partially designed by the German designer Hugo Schmeisser, who had created the similar Stg44 in 1942.)

The AK-47 was the world’s first standard-issue assault rifle. The rifle used a new 7.62-millimeter cartridge that generated less recoil and was lighter than rounds used in traditional infantry rifles. In return, the 7.62x39 round offered more controllability when fired in full automatic and allowed the infantryman to carry more rounds into battle.

The AK-47 has endured because it is a weapon for the lowest common denominator. It requires little training to learn how to shoot, and as a result large armies or militias can be raised by simply handing out AK-47s. It is dead simple to use and requires little maintenance. Disassembly is quick and the weapon can run virtually without lubrication. All of these are important considerations when your soldiers or militiamen are often illiterate, untrained draftees.

An estimated one hundred million AK-47s of all varieties have been manufactured by countries including the Soviet Union, China, North Korea, Egypt, Yugoslavia and most of the former Warsaw Pact. As The Independent pointed out, that could be one AK for every seventy people on Earth. Even Finland and Israel, neither Soviet allies nor client states, built variants. The most recent version issued to the Russian Army is the AK-74M, chambered in the lighter 5.45-millimeter.

The M16 family of weapons:

The modern M16 rifle got its start in 1956, when inventor Eugene Stoner tested its predecessor, the AR-15, at the Infantry School at Fort Benning. The rifle would not enter U.S. service for another four years, and then with the U.S. Air Force. The U.S. Army would jump on the M16 bandwagon in 1965, with the U.S. Marines following in 1966.

The original AR-15 was a reliable, innovative rifle, but a last-minute change of gunpowder and misconceptions about the rifle’s need to be cleaned contributed to a poor reliability rate in Vietnam. Exacerbating the problem was the M16’s direct impingement self-loading system, in which gasses and carbon residue created when gunpowder is burned are cycled back into the weapon’s internal mechanism.

The most recent version, the M16A4, weighs 8.79 pounds loaded with a 30-round magazine. The rifle is effective to 550 meters, with a sustained rate of fire of 12-15 rounds per minute. The 5.56-millimeter SS109/M855 bullet, which emphasized armor-piercing capability over lethality on NATO battlefields, is being phased out in favor of the M855A1 round.

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