M240g Vs M240b - "M240" redirects here. For Israeli Jeep variants, see the AIL Storm documentation. For the Leica M 240 camera, see Leica M (Type 240) . For the Russian mortar, see 240 mm Mortar M240 .
The M240 (official Machine Gun, 7.62mm, M240) is the US military designation of the FN MAG.
M240g Vs M240b
The M240 has been used by the US Army since the late 1970s. It is widely used by infantry, rifle companies, ground vehicles, ships and aircraft. Although it is heavier than equivalent weapons, its reliability and standardization among NATO member countries is a great advantage.
File:m240e6 M192 Tripod.jpg
All variants are supplied from takedown straps and can fire most 7.62mm (.30/.308cal) NATO ammunition. The M240 variant can be converted to use non-smashing belts. There are significant weight differences and certain features between some versions that limit the compatibility of parts. Used by the US military, the M240 is currently manufactured by FN America, the American subsidiary of the Belgian company FN Herstal.
The M240B and M240G are typically fired from integrated bipods, tripods or vehicle mounts. When it comes to tripod use, the US Army primarily uses the M192 lightweight ground mount, and the US Marine Corps uses a slightly updated M2 tripod, the M122A1 tripod.
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Manufactured by Fabrique Nationale d'Herstal, the FN MAG was selected for various roles by the US Army after extensive searches and competitions around the world. The MAG is a belt-fed, gas-operated, air-cooled, crew-operated, general-purpose machine gun. Its versatility is proven by the ability to effectively fire from ground vehicles, ships and aircraft from integrated tripod-mounted bipods.
Golden Eagle M240 Converted To A British L7a2
It was first adopted as a coaxial tank gun by the US Army in 1977 and was gradually adopted for more applications in the 1980s and 1990s. The M240 and M240E1 are adopted for vehicle use. This is more adopted, especially for the Army and Marine Corps. The durability of the MAG system provides superior reliability compared to the M60 while retaining many of the same key features as its predecessor. MAG actually has a more complex gas system than the M60, but offers better reliability with lower maintenance requirements but higher production cost and weight.
Compared to other machine guns, it has a very high 26,000 MRBF (average number of rounds between failures) rating for its weight. It reached approximately 7,000 MRBF in the 1970s when it was first adopted. It's not as reliable as very heavy old designs, but it's pretty reliable for its mass.
US adoption of the MAG began with a project to procure a coaxially mounted 7.62mm machine gun for tanks to replace the M73 and M219 machine guns in service in the late 1960s and early 1970s.
Various designs from different countries were considered. The last two candidates were the M60E2 and FN MAG, which were extensively tested with the previous M219 for comparison.
M240b Belt Fed Machine Gun Stock Photo
The two main criteria analyzed were "mean laps between stops" (MRBS, faults that can be resolved in minutes) and "mean laps between failures" (MRBF, such as broken parts). The results of the evaluated machine guns are as follows.
The MAG itself had some improvements and the M60E2 was a special coaxial variant that differed from other types. The quality of the M60 variants differs significantly, for example, between the M60E4 and M60C. The clear winner was MAG, which was designated the M240 after an Army competition in 1977.
The M240 was adopted as the US Army's standard vehicle machine gun in 1977. The Marine Corps has also adopted the M240 and M240E1 for use on vehicles such as the LAV-25. It replaced many older vehicle machine guns in the 1980s. US Navy SEALs continued to use the "CAR-60" (M60E3) version of the M60 machine gun due to its lighter weight and slower rate of fire.
The M240 was so popular that it was later converted by the infantry to the M240G and M240B. The USMC adopted the M240G for this role in 1991. Here, the M240G not only replaced the original M60 used by the Marine Corps, but also replaced the upgraded M60E3, which had come into use by the Marine Corps in the 1980s. In the late 1990s the Army adopted the M240B for infantry roles. They evaluated the vehicle-mounted M240, the M60E4, which offers nothing in common (albeit lighter and cheaper) with other FN MAG users within NATO or the USMC.
M240 Mg3 Weapons Qualification
Various versions of the M240 serve most major applications and roles, but do not replace all versions of the M60. The M60 is still sometimes used by the Navy.
As of March 2022, the US Army is processing a request for an M240 Machine Gun 6.8×51mm Conversion Kit to replace the 7.62×51mm NATO chambered M240B and M240L General Purpose Machine Guns to fire 6.8×51mm ammunition.
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The weapon fires from the op bolt position. This means that the bolt is locked at the rear and only moves forward when firing the projectile. The firing pin is static and the slide moves around the firing pin, eliminating the need for a hammer. Roasting is used to time the internal mechanisms of the weapon to maintain a constant rate of fire while maintaining proper function and accuracy.
Acme M240 Machine Gun
M1 Abrams tank with the commander's .50 caliber M2 Browning machine gun on the right side of the tank and the M240 ammunition loader on the left side of the tank. A second M240 is mounted coaxially to the side of the main gun.
The rate of fire can be controlled with three different gas regulator settings. The first setting allows the gun to cycle between 650-750 rounds per minute, the second setting 750-850 rounds per minute, and the third setting 850-950 rounds per minute.
This setup varies by removing the barrel, removing the gas regulator collar, and rotating the gas regulator to allow more or less gas to pass through the gun system. This is usually only done when the gun needs to be restored to working condition when contamination slows the process and there is no time to clean the gun properly.
Barrels can be changed quickly thanks to the barrel release button located on the left side of the gun. Remove the gun first and unlock it from the receiver by holding the button and moving the carry handle on the barrel from the right side of the gun towards the center. At this point the button is released and the barrel is separated from the body and set aside. Insert the new barrel into the stem and move the carry handle to the right to lock it in place.
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During prolonged firing, the barrel heats up and can instantly cause a 2nd degree burn without significant change.
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The gun manufacturer's name is MAG 58. The M240 conforms to the FN MAG-58 specification, so parts are interchangeable with other standard MAG-58s.
This has significant advantages in training, logistical support, tactical versatility and joint operations. For example, an American unit with British forces can provide spare parts for the GPMG L7 and vice versa.
New M240 Machine Gun Suppressor Gets Rave Reviews From Army Maneuver In Test
The M240 has been modified to have a coaxial machine gun for tanks and 7.62mm firepower for light armored vehicles.
The M240 is part of the secondary armament of the US Army's M1 series Abrams tanks, the M2/M3 series Bradley Combat Vehicle and the US Marine Corps LAV-25.
The M240E1 is the US Marine Corps version of the original M240 coaxial/needle machine gun used on vehicles like the LAV-25. It can also be equipped with a paddle grip for flexible use like the M240D.
The M240C is a right-handed variant of the original coaxial M240, identical to the M240 except for the ammo cover and feed tray. It has a right hand feed for use as a coaxial machine gun on M2/M3 Bradley Combat Vehicles and LAVs. M1 Abrams and other M1 variants (M1A1, M1A2, M1A2 SEP) are fed from the left side of the tank. The M240C uses a charging cable instead.
Lancer Tactical Full Metal M240 Airsoft Aeg Squad Automatic Machine Gun With Box Magazine (color: Black)
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