Full text of “M – Machine Gun Manual – TM ” . MB/MG – Designed as a tripod mounted or bipod supported machine gun for use by. The M, officially the Machine Gun, Caliber mm, M, is the US military designation for .. (×51mm NATO); Maximum effective range: 1, meters with tripod and T&E (the latest FM reads 1, m); Maximum range: 3, meters . MB, MM MACHINE GUN. JANUARY . *This publication supersedes FM , 29 February and FM ,. 26 January.

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The numbers on the scales and dials must be legible. The number 1 blade is 9. Rotate the rear of the trigger housing upwards and align the holes of the trigger housing with the mounting bracket on the receiver.

This section needs additional citations for verification. Clean and apply frequently. During the primary movement of the operating rod assembly, it moves independently of the bolt for a short distance.

The case should be serviceable. It is graduated in 5-mil increments and numbered every mils to mils left of the center. Pull the cocking handle to the rear and allow it to slowly return forward, making sure that the slide does not bind in the receiver. B Then remove pin with fingers.

Full text of “M – Machine Gun Manual – TM “

Manufacture had to be adjusted because titanium takes longer to machine than steel and requires more frequent replacement of tooling bits; more pliable stainless steel rivets were used, and the receiver was coated with boron and chrome carbo-nitride coatings with a ceramic-based top coat to preserve it under extreme operating temperatures.


Do not expose ammunition to the direct rays of the sun. Worn operating rod sear notch. Latch will not hold buffer assembly in receiver. When the bolt assembly m204b been jerked back, slightly enough to unlock the breech, the primary effort is extraction of the empty case. Attaching the Ammunition Adapter. Column 1 m24b lllus.

All metal components and surfaces that have been exposed to powder fouling should be cleaned using CLP on a bore-cleaning patch. This slows down the forward movement of the bolt assembly.

Navy was pitted against the ME4 former designation of the MB in Army trials during the s for a new infantry medium machine gun, in a competition to replace the decades-old M60s. The assistant gunner helps the gunner do this. Mm240b being heavier than some comparable weapons it is highly regarded for reliability and its standardization among NATO members is a major advantage.

The MP is not used as often as its predecessors. Use care when removing excess carbon, carbon may chip off and fly into eyes. The MB machine gun is loaded from the closed bolt position.

Squeezing the trigger can cause accelerated wear on the trigger tripping lever, sear, and operating rod leading to a run-away gun. Marine Corps uses the MA1 tripod, a slightly updated M2 tripod.

The rate of fire is controlled by 3 regulator settings setting 1 is preferred. A member of m2240b U. WP 00 J remove oil, foreign material, or obstructions.

  ASTM E331 00 PDF

When using CLP, do not use other cleaners. Inspect external surfaces for adequate finish. If a stoppage occurs and the cocking handle cannot fm pulled to the rear by hand the bolt may be fully forward and locked or only partially forwardthe gunner takes the following steps.

You get the sustained and rapid rates through practice. As the working parts come forward and the round is fed into the chamber, the locking lever is forced down by the locking cams.

M240 machine gun

The gunner places the range scale on a range of meters on the rear sight. The m240g of the reading comes from the position of the muzzle, not the position of the slide.

Contains trigger and safety components. Then notify unit maintenance. There are mils above and mils below the zero mark for a total of mils in elevation change. Check that the rear sight assembly is securely mounted to the receiver and operates properly.

When the bolt and operating rod are pulled to the rear, the piston should move freely without binding.

The gas cylinder holds the bipod in place. Stay clear of muzzle. Rotate the rear of the trigger-housing group assembly down, disengage the holding notch at the front of the assembly from its recess on the bottom m240bb the receiver, and remove the assembly from the receiver Figure