Molly Ayala
The General Electric M134 Minigun is an American 7.62×51mm NATO six-barrel rotary machine gun with a high rate of fire (2,000 to 6,000 or even 7,000 rounds per minute). It was developed by General Electric in the 1960s for use in the Vietnam War and is still in service today. The Mini in the name refers to the fact that it is a scaled-down version of General Electric's earlier 20 mm M61 Vulcan cannon. The M134 Minigun is used in several branches of the U.S. military and has been produced in a variety of versions, mainly differing in the mounting in which it is used.
| Characteristics | Values |
|---|---|
| Name | M134 Minigun |
| Company | General Electric |
| Gun Type | Six-barrel rotary machine gun |
| Gun Style | Gatling-style |
| Rate of Fire | 2,000-6,000 rounds per minute |
| Power Source | Electric motor |
| Cartridge | 7.62x51mm NATO |
| Weight | 62lb |
| Use | Helicopter gunships, aircraft gun pods, helicopter doorways, patrol vessel decks |
| Operators | Afghanistan, Australia, Austria, Brazil, Canada, Chile, Colombia, Czech Republic, Egypt, Finland, France, French Polynesia, Georgia, India, Indonesia, Iraq, Israel, Italy, Japan, Jordan, Kenya, Macedonia, Malaysia, Mexico, Morocco, Netherlands, Norway, Pakistan, Paraguay, Peru, Philippines, Poland, Qatar, Saudi Arabia, Sierra Leone, South Korea, Singapore, Spain, Thailand, Turkey, Tunisia, United States |
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What You'll Learn
The M134 Minigun's development
The M134 Minigun is an American 7.62×51mm NATO six-barrel rotary machine gun with a high rate of fire (2,000 to 6,000 rounds per minute). It features a Gatling-style rotating barrel assembly with an external power source, usually an electric motor. The “Mini” in the name refers to its smaller size compared to larger-caliber designs that use a rotary barrel design, such as General Electric's earlier 20 mm M61 Vulcan.
The M134 Minigun was developed by General Electric in the 1960s during the Vietnam War. The United States Armed Forces sought modern variants of electrically powered, rotating barrel Gatling-style weapons to equip their helicopters, which were vulnerable to small arms fire and rocket-propelled grenades when slowing down to land. The single-barrel machine guns used previously were ineffective and prone to overheating or jamming in the dense jungle environment.
To address this challenge, General Electric designers scaled down the 20 mm M61 Vulcan cannon to fit the 7.62×51mm NATO cartridge, resulting in the M134 Minigun. This new weapon could fire up to 6,000 rounds per minute without overheating, thanks to its multi-barrel design. While the gun was not exactly "mini", its smaller size compared to the M61 Vulcan earned it the nickname "Minigun".
The M134 Minigun was designed to be mounted on various aircraft, helicopter doorways, or vehicles. It provided a high volume-of-fire capability, making it suitable for firing from unstable platforms like helicopters. The gun saw combat action during the Vietnam War and has continued to be used by several branches of the U.S. military, including the Army, Air Force, and Navy, under different designations.
Over the years, the M134 Minigun has undergone several improvements and variants have been developed, such as the M134D and M134G, which offer enhanced performance and design features. The basic concept of rotating barrels for cooling and achieving a high rate of fire has been further refined, ensuring the longevity and effectiveness of the M134 Minigun in various military applications.
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Its use in the Vietnam War
The M134 Minigun was designed for helicopter crews in the Vietnam War. The United States Armed Forces began exploring modern variants of electrically powered, rotary-barrel Gatling-style weapons for use in the conflict. American forces in Vietnam relied heavily on helicopters to transport soldiers and equipment through dense jungle areas. However, these helicopters were vulnerable to small-arms fire and rocket-propelled grenade (RPG) attacks, especially when slowing down to land.
The helicopters were equipped with single-barrel machine guns, but these often overheated or jammed when used in the jungle environment, leading to ineffectiveness. To address this issue, General Electric scaled down their 20mm M61 Vulcan cannon to create the M134 Minigun, which could fire 7.62×51mm NATO ammunition. This new weapon could fire up to 6,000 rounds per minute without overheating, thanks to its multi-barrel design. The ""Mini" in its name refers to its smaller size compared to the larger-caliber M61 Vulcan.
The M134 Minigun proved to be an effective defence weapon for helicopter crews during the Vietnam War. Its high rate of fire and ability to continuously fire without overheating made it well-suited for providing suppressing fire and protecting vulnerable transport helicopters. The US government purchased approximately 10,000 M134s during the conflict, demonstrating the weapon's importance in their military strategy.
Despite its overall effectiveness, the M134 Minigun was not without its faults. Some issues were identified with the weapon's performance and reliability. After the war, Dillon Aero acquired a large number of used M134s and worked to address these shortcomings, ultimately creating an improved version known as the M134D. The original M134 Minigun continues to be utilised by various branches of the US military even today, showcasing its lasting impact on military operations.
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The weapon's design and specifications
The M134 Minigun is an American 7.62×51mm NATO six-barrel rotary machine gun with a high rate of fire, capable of firing 2,000 to 6,000 rounds per minute. It features a Gatling-style rotating barrel assembly with an external power source, typically an electric motor. The "Mini" in its name refers to its smaller calibre design compared to larger-calibre weapons like General Electric's earlier 20 mm M61 Vulcan.
The M134 Minigun was developed by General Electric as a more reliable weapon with a higher rate of fire than single-barrel machine guns. It is a derivative of the M61 Vulcan, scaled down to fire the 7.62 mm NATO rifle cartridge. The M134 was designed to provide a high volume of fire from an unstable platform, specifically a helicopter. It was initially developed as the "Mini-Vulcan", with the name evolving into "Minigun" during development.
The basic minigun is a six-barrel, air-cooled, and electrically driven rotary machine gun. The electric drive rotates the weapon within its housing, with a rotating firing pin assembly and rotary chamber. The multi-barrel design not only helps prevent overheating but also enables a higher firing rate. With multiple barrels, the firing, extraction, and loading processes can occur simultaneously in different barrels.
The M134 Minigun has a variable rate of fire, with most applications set at rates between 3,000 and 4,000 rounds per minute. It has been mounted on various helicopters, such as the UH-1 Iroquois, OH-6 Cayuse, and AH-1 Cobra, and used in door gunner positions in rotor-wing aircraft. The weapon has seen combat action during the Vietnam War and continues to be in service with various operators worldwide.
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Global customers and operators
The General Electric M134 Minigun has been used by several branches of the US military, including the US Army, the USAF, and the USN. It has also been operated by global customers and contractors in the following nations: Afghanistan, Australia, Austria, Brazil, Canada, Chile, Colombia, the Czech Republic, Egypt, Finland, France, French Polynesia, Georgia, India, Indonesia, Iraq, Israel, Italy, Japan, Jordan, Kenya, Macedonia, Malaysia, Mexico, Morocco, the Netherlands, Norway, Pakistan, Paraguay, Peru, the Philippines, Poland, Qatar, Saudi Arabia, Sierra Leone, South Korea, Singapore, Spain, Thailand, Turkey, Tunisia, and the United States.
The M134 Minigun was developed in the 1960s as a weapon for use in the Vietnam War. American forces relied heavily on helicopters to transport soldiers and equipment through the dense jungle, but these helicopters were vulnerable to small arms fire and rocket-propelled grenade (RPG) attacks. To address this issue, General Electric designers scaled down the 20 mm M61 Vulcan cannon to create the M134 Minigun, which could fire up to 6,000 rounds per minute without overheating. This made it an ideal weapon for providing suppressive fire from helicopters.
The M134 Minigun has seen combat action not only in the Vietnam War but also in subsequent global conflicts. Its high rate of fire and ability to be mounted on various platforms, including helicopters, aircraft gun pods, and patrol vessel decks, have ensured its continued use by military forces around the world.
The weapon has also, unfortunately, fallen into the hands of criminal organizations. In 2015, it was revealed that Garwood Industries had collaborated with a firearms dealer and a weapons smuggler to supply M134 miniguns to Mexican drug cartels. This incident highlights the potential consequences when powerful weapons like the M134 end up in the wrong hands.
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Illegal supply to Mexican cartels
The M134 Minigun is an American 7.62x51mm NATO six-barrel rotary machine gun with a high rate of fire (2,000 to 6,000 rounds per minute). It was developed by General Electric and is used by several branches of the U.S. military. The "Mini" in its name refers to it being a scaled-down version of the 20 mm M61 Vulcan cannon.
In 2015, Garwood Industries CEO Tracy Garwood, firearms dealer Michael Fox, and weapons smuggler Tyler Carlson began collaborating to supply M134 miniguns and components to Mexican drug cartels. This operation continued until 2017 when federal agents raided Fox's home and recovered two M134G rotor housings that Garwood had falsely reported as destroyed.
Garwood submitted false paperwork to the ATF, claiming he had destroyed multiple M-134G rotor housings—a key component that must be serialized and registered with the ATF. Instead, he unlawfully transferred possession of those rotor housings to Fox. A completed M134G, built using one of the supposedly destroyed rotor housings, was recovered from a cartel by Mexican law enforcement.
The supply of M134 miniguns to Mexican cartels is particularly concerning due to the weapon's high rate of fire and its ability to be used against helicopters and light aircraft. The possession of such weaponry can be used as a deterrent by cartels, complicating police and military operations. Furthermore, the flow of weapons from the U.S. to Mexico highlights the challenges faced by authorities in stemming the illegal arms trade.
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Frequently asked questions
The M134 Minigun was developed and produced by General Electric, the armaments division of General Dynamics.
The M134 Minigun is an American 7.62x51mm NATO six-barrel rotary machine gun with a high rate of fire (2,000 to 6,000 rounds per minute).
The M134 Minigun was produced in the 1960s and saw combat in the Vietnam War. The weapon is still in service today.
The M134 Minigun is used by several branches of the US military, including the US Army and the USAF.
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