The U.S. Military's New Grenade Launcher of Choice: The Mk 47

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The U.S. Military's New Grenade Launcher of Choice: The Mk 47
By: National Interest News - By: Caleb Larson - 03-20-21
Re: https://nationalinterest.org/blog/re...e-mk-47-180779

Photo link: https://nationalinterest.org/sites/d...?itok=fh43DziF
Tags: Grenade Launcher - USSOCOM - Mk 47 - Striker - U.S. Army - Mk - 19MK 47 - XM174

Designed to remedy the Mk 19’s high weight, the Mk 47 is chambered in the same 40mm grenade ammunition as the previous Mk 19, though it can also fire airburst ammunition, useful against entrenched positions, or targets behind walls.

Here's What You Need to Know: Though used primarily by the United States military, the Mk 47 has not seen widespread use and is in service mostly with U.S. Special Operations Command Units.

The Mk 19 grenade launcher has been a mainstay of American operations since its introduction in the late 1960s during the Vietnam War. The weapon is still prized for its ability to fire high numbers of 40-millimeter grenades accurately out to a distance of 1,500 meters, or nearly 5,000 feet.

The 40mm round packs quite a punch, too. According to the U.S. Army, the 40mm grenade used with the Mk 19 grenade launcher system can punch through three inches of steel and is best used against dismounted infantry and lightly armored vehicles, though the weapon could also in theory be used against some armored personnel carriers.

While the Mk 19 has low recoil, one of its shortcomings is weight. Without ammunition or any accessories, the Mk19 weighs over seventy-seven pounds, or about thirty-five kilograms. Ammunition canisters are likewise quite heavy. Altogether, the Mk19’s weight is nearly prohibitively heavy for use by dismounted infantry, leaving the Mk19 most commonly used on vehicle mounts.

Though still in widespread use today among the United States military as well as a number of North Atlantic Treaty Organization (NATO) member countries, it wasn’t the first grenade launcher used in service with the United States.

Early Launchers

The earlier Mk 18 used the same 40mm grenade as the Mk 19, though the design was hand-cranked, somewhat like the much earlier multi-barreled Gatling gun design.

The design was relatively light-weight, though firing with a hand-powered crank rather than a butterfly-style trigger reduced the weapon’s accuracy. The Mk 18 was often used in fixed positions during Vietnam, like bases, or on vehicle mounts.

Along with the Mk 18, an odd hybrid machine gun grenade launcher was built and experimented with, the XM174. This odd-looking launcher used a twelve-round canister, and appeared to use parts of the single-shot M79 grenade launcher as well as the M1919 machine-gun.

All platforms aside, there is now something better that you may have never heard of: the Mk 47.

The Mk 47:

In order to remedy the Mk 19’s high weight, General Dynamics developed the Mk 47. The grenade launcher is chambered in the same 40mm grenade ammunition as the previous Mk 19, though it can also fire airburst ammunition, useful against entrenched positions, or targets behind walls.

By far the biggest benefit the Mk 47 offers over the Mk 19 is its significantly lower weight. Incredibly, the large grenade launcher weighs just under forty pounds, or about eighteen kilos, making the weapon system much easier for grunts to hump around.

General Dynamics’ Mk 47 uses a Lightweight Video Sight that allows operators to engage targets during the day, and at night when used in tandem with a thermal imaging sight.

Though used primarily by the United States military, the Mk 47 has not seen widespread use and is in service mostly with U.S. Special Operations Command Units.

About this writer: Caleb Larson is a Defense Writer with The National Interest. He holds a Master of Public Policy
and covers U.S. and Russian security, European defense issues, and German politics and culture.
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About this writer:
Caleb Larson is a Defense Writer with The National Interest. He holds a Master of Public Policy and
covers U.S. and Russian security, European defense issues, and German politics and culture.
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Note: You may want to also review this older post as well: (same category older design - VN days)
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M79 Grenade Launcher Had All the Makings of a Super Killer
Re: https://nationalinterest.org/blog/re...e-mk-47-180779
By: National Interest News - By: Peter Suciu - 03-12-21
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During the Vietnam War, this weapon was typically used by U.S. Army soldiers and U.S. Marines at targets from
150 to 300 yards away, and it also proved effective against Viet Cong bunkers or other fortified positions.
A skilled shooter could reportedly hit a man-sized target at a range of 150 yards. While it was intended to
be used as a shoulder-fired weapon for direct fire, the M79 also proved effective for indirect fire, where the
shooter placed the buttstock on the ground and fired it like a mortar.
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About this writer:
Peter Suciu is a Michigan-based writer who has contributed to more than four dozen magazines,
newspapers and websites. He regularly writes about military small arms,
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