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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Cover Assembly F – Feeds linked belt, positions and holds cartridges in position for stripping, feeding and chambering. The rate of fire of the MG can be controlled by three gas settings. Ensure cocking handle assembly is in fully forward and locked pos ition. If the bolt is to remain forward, the operator will then load the rounds into the feeding block feed tray cover closed ; or will open the feed tray cover, load the rounds onto the feeding tray, then close the feed tray cover.

If resistance is encountered during installation, shake extension assembly slightly while sliding into coax mantlet.

They are also interested in incorporating a suppressor into the barrel, rather than having to attach one, to reduce the sound of shots and make it difficult to determine where the gunner is located. The following procedures apply to cleaning and lubricating the MB during unusual conditions:. The front sight protector assembly should always be clamped between the heads of the two opposing screws.

Let bolt assembly return to forward position slowly. Contains trigger and safety components. The first gas plug position allows the weapon to cycle at — rounds per minute RPMthe second k240b plug positions allows the weapon to fire at gm rounds per minute RPMand the third gas plug position allows the weapon to fire at — rounds per minute RPM.


On outside of turret, loosen clamp on extension assembly so that the inside diameter of the extension assembly will clear the outside diameter of the coax mantlet. In combat t, the commander has the authority to destroy weapons, but he must report this destruction through channels.

Check to make sure the back plate locks the m240bb stock securely to the receiver assembly when installed. Titanium was used to make the receiver body, m420b sight post, and carrying handle while maintaining steel operating system components. Extend bolt to unlocked position; push the assembly all the way into the receiver. Serves as guide for positioning cartridge to assist in chambering. The weapon is now ready for operation.

Reverse belt with open side of link down. If th e ammunition g ets wet or dirty, wipe it off at once with a clean, dry, rag item 7, WP When the bolt is held to the rear by the sear, he manually returns the cocking handle to the forward position, places the safety on “S.

Check for broken grips, and chipped or cracked trigger housing lug. The first setting allows the weapon to cycle at — rounds per minute, the second setting being — rounds per minute, and the third setting being — rounds per minute. Figure It can be mounted on a bipod, tripod, aircraft, or m240. Wipe with rag after each application to remove excess.

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

The MB is a general-purpose machine gun. As the traversing handwheel is turned, the muzzle of the weapon turns to the left or right depending on the direction it is turned.

Trigger Housing Assembly E – Controls the firing of the machine gun. The various versions of the M have entirely replaced all the M60 versions, though they have for most main applications and roles.


The prevention of corrosion on any equipment is important and is critically important for safe functioning of your machine gun. After rotating the front sight post blade the desired amount, lower the retaining strap, but do not lock it down until fm is confirmed.

In addition they allow the operator to be able to squeeze the front of the belt into a closed cover because the teeth only bends in the direction of the belt, and the belt will pass over them, then the teeth will click upwards, thus locking the belt in place.

M240 machine gun

Maintenance aspects of the MB include inspection; cleaning and lubrication; and maintenance before, during, and after firing, and during NBC conditions. This allows the operator to feed a belt of ammunition into his LWS without ever having to possibly expose his position or line of sight, by opening the feed tray cover. The front sight is attached to the barrel and can be adjusted for elevation and windage to allow the gunner to zero his weapon.

When safety in placed to “S” safe, pull trigger sear will not lower. Check to be sure the back plate latch locks the buffer assembly securely to the k240b assembly when installed.

The canvas cover above the driver and passenger seats should always be in place when firing. They underwent comprehensive testing alongside the older M for comparison. Check the exterior surface of the MB for the exterior protective finish.