Machine guns introduction
Austria
 Steyr-Solothurn MG 30
 Steyr AUG /Hbar
Belgium
 FN Minimi
 FN MAG
 FN BRG-15
China, People's Republic
 Type 67 GPMG
 Type 88 GPMG
 Type 95 LMG
 Type 77 HMG
 Type 85 HMG
 W-85 HMG
 Type 89 HMG new
 Type 02 / QJG 02 HMG
Czech Republic
 ZB 26
 ZB 53 / Vz.37
 type 52 & 52/57
 type 58 (UK vz.58)
Denmark
 Madsen LMG
 Madsen-Saetter
Finland
 Valmet KvKK 62
France
 MAC M1924/29
 AAT Mod.52
Germany
 MG 08, MG 08/15, MG 08/18
 MG 13
 MG 34
 MG 42 and MG 3
 HK 21 and 23
 HK MG 4
Great Britain
 Vickers Mk.I
 Lewis
 Bren
 L86A1 SA-80 LSW
Israel
 Negev
Japan
 Type 96 & Type 99
 Type 62
Russia / USSR
 Maxim M1910/30
 Degtyarov DP DPM RP-46
 Degtyarov DS-39
 Degtyarov RPD
 Kalashnikov RPK
 Kalashnikov RPK-74
 Gorjunov SG-43 SGM
 Kalashnikov PK / PKM
 Pecheneg
 DShK DShKM 12.7
 NSV 12,7 'Utes'
 Kord 12,7
 KPV 14,5
Singapore
 STK Ultimax 100
 CIS .50 MG
South Africa
 Vector SS-77 / Mini-SS
South Korea
 Daewoo K3
Spain
 CETME Ameli
Switzerland
 Steyr-Solothurn MG 30
 SIG MG 50
 W+F MG 51
 SIG MG 710
USA
 Lewis
 Browning M1917 M1919
 Browning M1918 BAR
 Johnson M1941 M1944
 M60
 M16 LSW / LMG
 M134 Minigun new
 XM214 Microgun new
 Stoner 63
 M249 SAW
 M240
 Mk.48 mod.0
 Browning M2HB .50 cal
 XM312 .50 cal
 LW50MG new

 Gatling, Minigun, Vulcan

all texts and some pictures
copyright © 1999-2008
by Max R. Popenker
and can not be used without author permission

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FN MAG (Belgium) / M240 (USA)

FN MAG in American M240B configuration of late manufacture (with Picatinny rail on the top of the receiver and plastic butt)

FN MAG / M240D pintle-mounted machine gun of late manufacture (with Picatinny rail on the top of the receiver)

FN MAG / M240G, lightened USMC modification, with no heat shield on the barrel

Caliber: 7,62x51mm NATO
Weight: 11 - 13 kg on bipod (depending on version), ~21 kg on tripod
Length: 1260 mm
Barrel length: 545 mm
Feed: belt
Rate of fire: selectable, 650-750 and  950-1000 rounds per minute

The MAG (Mitrailleuse d'Appui General  = General Purpose Machinegun), had been developed by the famous Belgian company FN Herstal in the 1950s, as a true universal machine gun, that could be used as a light MG on bipod, as a medium MG on tripod or as a vehicle-mounted and coaxial MG on helicopters, armored cars and tanks. The basic design of the MAG is no more than a time-proven Browning action, taken from the M1918 BAR automatic rifle, turned upside down and adopted for belt feed. The basic design used as much steel stampings and pressings as possible to save the labor and costs, and the final gun had the angular, but very business-like appearance. By no way a beauty, it is extremely reliable and proven design, that seen widespread service, being adopted by several tens of armies around the world, including Belgian, British, Australian, Canadian, USA and many other armies. It was fitted to various vehicles, helicopters, tanks etc. So far it is one of the most popular GPMG's in the world.

Technical description.
The FN MAG is a gas operated, belt fed, air cooled automatic weapon. It uses the long piston stroke gas system with the gas regulator, located below the barrel. The bolt is locked using a swinging shoulder that engages the cut in the floor of the receiver. The air-cooled barrel is quick-detachable, with the carrying handle attached to it to help handling of the hot barrel. The receiver is made from steel stampings.

The M240 is fed using the disintegrating steel belts of various lengths. The rate of fire can be selected between "low" (~650 rpm) and "high" (~950 rpm), depending on the tactical situation, and the gun can be fired in full auto only. The charging handle is located on the right side of the receiver.

The simple folding bipod is attached to the gas block, and there's a mounting points on the bottom of the receiver to fit into the various mountings, including infantry tripods. The open sights are fitted by standard, and some of the latest production MAG versions have Picatinny-style scope mounts on the top of the receiver. Standard guns are fitted with the pistol grip and trigger, and the wooden (early models) or plastic (present manufacture) butt, coaxial guns (like M240C) have the trigger replaced by the electric solenoid, and the pintle-mounted versions, like the M240D, have the spade grips instead of the pistol grip and the butt.  

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