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Madsen-Saetter SFMG Mark 4

General Purpose Machine Gun (GPMG) [ 1952 ]

The SFMG Mark 4 General Purpose Machine Gun was the last small arms design attempt by Madsen-Saetter.

Authored By: Staff Writer | Last Edited: 08/01/2017 | Content ©www.MilitaryFactory.com | The following text is exclusive to this site.

The SFMG Mark 4 was a general purpose machine in every sense of the word, generating only modest interest and light sales overall - the only customer becoming Indonesia. Becoming the company's last attempt at a small arms design, the SFMG was an unspectacular yet adequate general purpose machine gun offering up varying rates of fire depending on the operator's configuration choices (700 to 1,000 rounds per minute).

Standard issue operation saw the SFMG fielded with a conventional folding bipod system for basic support a light-weight barrel assembly. The machine gun fired from an open bolt position to prevent the ammunition from "cooking off" by the heat generated from each successive firing action. Being of a belt-fed design, the SFMG looked every bit the part of a light machine gun system, fitted with a conventional gas-operated piston tube and firing the NATO standard 7.62x51mm cartridge to good effect from a 49-round ammunition belt. The SFMG could also be mounted onto a tripod for heavy-duty suppression fire and maintenance of the weapon was light, requiring little in the way of tools in the field.

The SFMG Mark 4 series was never accepted into any serial production of note.©MilitaryFactory.com
Note: The above text is EXCLUSIVE to the site www.MilitaryFactory.com. It is the product of many hours of research and work made possible with the help of contributors, veterans, insiders, and topic specialists. If you happen upon this text anywhere else on the internet or in print, please let us know at MilitaryFactory AT gmail DOT com so that we may take appropriate action against the offender / offending site and continue to protect this original work.


Service Year

Denmark national flag graphic


General Purpose Machine Gun (GPMG)

Dansk Industri Syndikat; Kompagni Madsen A/S - Denmark
(View other Arms-Related Manufacturers)
National flag of Indonesia Indonesia
(OPERATORS list includes past, present, and future operators when applicable)
Fire Support
Capable of suppressing enemy elements at range through direct or in-direct fire.

Overall Length
1,290 mm
50.79 in
Barrel Length
660 mm
25.98 in
Empty Wgt
25.57 lb
11.60 kg

Tangent Notch Rear; Forward Blade


Gas Operated; Automatic Fire Only

Gas-operated system is featured, typically involving a gas cylinder and rear-driven piston directing energy to the bolt component.
(Material presented above is for historical and entertainment value and should not be construed as usable for hardware restoration, maintenance, or general operation - always consult official manufacturer sources for such information)


7.62x51mm NATO

Sample Visuals**

Graphical image of a 7.62x51mm / .308 Winchester rifle cartridge
Rounds / Feed

49-Round Metal Link Belt
Cartridge relative size chart
*May not represent an exhuastive list; calibers are model-specific dependent, always consult official manufacturer sources.
**Graphics not to actual size; not all cartridges may be represented visually; graphics intended for general reference only.
Muzzle Velocity
2,749 ft/sec
(838 m/sec)

SFMG Mark 4 - Base Series Designation

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