The M240 Is the Go-To Machine Gun for US Marines and Army Forces

Photo Credit: Photographer's Mate 2nd Class Eric Powell / U.S. Navy / Wikimedia Commons / Public Domain

The introduction of the Maxim gun in 1884 marked a major shift in warfare. Over the following century, machine gun technology saw huge advancements. Certain models were designed to be lighter, improving infantry mobility, while others remained fixed or were modified for vehicle use to increase firepower. The M240 is a perfect example of this progress, remaining a crucial operational asset for the United States and several NATO allies.

Design and development of the M240

The M240 has saw use in a number of conflicts since the 1990s. (Photo Credit: Sgt. Julieanne Morse / U.S. Army National Guard / Wikimedia Commons / Public Domain)

The M240, created by the Belgian firearms manufacturer Fabrique Nationale (FN) Herstal, was first adopted by the US Army in 1977 for use on tanks. Over time, both the Army and the Marine Corps expanded its use due to its versatile design.

This gas-operated medium machine gun, equipped with a belt feed system, is engineered to fire the standard 7.62 x 51 mm NATO cartridge. It offers three adjustable firing rates: the first setting discharges at 650 to 750 rounds per minute, the second at 750 to 850 rounds per minute, and the third at 850 to 950 rounds per minute.

Following thorough assessments of metrics like mean rounds before stoppage and mean rounds before failure, the US military decided to replace the M73 and its successor, the M219, with the M240. The M240’s outstanding performance in these evaluations played a large role in its selection by the Army.

Adopted by branches of the US military

Both the US Army and Marine Corps use the M240, but in different ways. It’s also seen use by the US Coast Guard. (Photo Credit: LIU JIN / AFP / Getty Images)

Though both the US Army and the Marine Corps use the M240, their methods are different. The former uses the firearm with an M192 Lightweight Ground Mount tripod (introduced in 2005), famous for its swift adjustments and lightweight design, making it easy to transport in the field.

In contrast, the Marines use a modern version of the famous M2 tripod. This newer version, the M122A1, enables field use with just one hand and can be equipped by various machine guns without requiring an adapter.

Use of the M240 in battle

The M240 can be used on the ground via a tripod or attached to a vehicle. (Photo Credit: Smith Collection / Gado / Getty Images)

The M240 has been used by American soldiers in a number of different conflicts. The first was during the Gulf War. The weapon was also carried by infantrymen during the wars in Afghanistan and Iraq. Iraqi forces used the machine gun to fight against ISIL and ISIS.

The M240 has been carried by members of the Free Syrian Army throughout the Syrian Civil War. Units have been fitted onto technicals, which are improvised military vehicles created by fitting standard pick-up trucks or similar automobiles with military weapons, such as machine guns, anti-aircraft guns or a recoilless rifle.

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Many other nations have equipped the M240

The Ukrainian military was provided with M240s to help repel the 2022 Russian invasion. (Photo Credit: Scott Peterson / Getty Images)

A number of other nations also use the M240. The Indonesian Army equipped the machine gun on its Leopard 2s, while Poland uses the weapon on its fleet of M1A2 Abrams. The Spanish Army Airmobile Force affixes the M240 to its Chinook helicopters. In 2017, the nation of Georgia began using M240s, rather than Russian-made guns, while in 2021, the Joint United States Military Assistance Group provided models to the Philippines.

The Americans and NATO have also provided M240s to armies looking to protect themselves. The Iraqis were given them to aid in their fight against groups like the Taliban, and Ukraine has been provided with an undisclosed number to fight against the ongoing Russian invasion.

There are a number of variants

A number of variants of the M240 have been produced for those serving in the US Marine Corps. (Photo Credit: Cpl. Ryan Walker / Wikimedia Commons / Public Domain)

Since its debut, there have been many versions of the M240 developed. The M240E1 is used by the Marines to mount on the likes of the LAV-25, and the service also uses the M240B as its standard medium-sized infantry machine gun. The “B” variant is also used by the US Coast Guard.

The M240L can be more easily carried. Rather than being built from steel, it’s produced from titanium, making it 18 percent lighter than the standard model. The only drawback is that it takes longer to produce and has to have extra protections added to defend against the weather.

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There’s also the Barrett 240LW machine gun, made using the M240’s specifications, but aimed toward making it significantly lighter. Arms maker Barrett was able to reduce the weight through the use of different materials and through more efficiently manufacturing the gun. A shortened version, the Barrett 240LWS, was also developed.

Todd Neikirk: Todd Neikirk is a New Jersey-based politics, entertainment and history writer. His work has been featured in psfk.com, foxsports.com, politicususa.com and hillreporter.com. He enjoys sports, politics, comic books, and anything that has to do with history. When he is not sitting in front of a laptop, Todd enjoys soaking up everything the Jersey Shore has to offer with his wife, two sons and American Foxhound, Wally.
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