FN MINIMI® 5.56 Mk3 Light Machine Gun by FN Herstal

Companies & Organizations:


FN Herstal SA
Voie de Liege 33
B-4040 Herstal

The world famous FN MINIMI® 5.56 Light Machine Guns Mk1 and Mk2 have been adopted by 70 countries worldwide as a standard issue for regular and special forces. The FN MINIMI® 5.56 Mk3 Light Machine Gun has recently been designed and developed for improved ergonomics and handling.


Conversion kits for FN MINIMI® 5.56

FN Herstal offers a comprehensive and customized upgrade program to adapt the FN MINIMI® 5.56 to new operational conditions. Various conversion kits are available and the modifications can be carried out in customers’ facilities. Some examples of conversion kits available: handguard/bipod conversion kit, buttstock conversion kit and cocking handle conversion kit.




Has proved its reliability in numerous combat situations


Improved ergonomics and improved mobility:

- adjustable buttstock: 5-position length adjustment and 6-position cheek rest height adjustment, with foldable shoulder rest and integrated hydraulic buffer

- bipod integrates with the handguard, even with accessory on lower rail

- cocking handle enables cocking with strong or weak hand

- feed tray with belt retaining pawls for easy loading with one hand


Available with short barrel (349mm) or long barrel (465mm), quickly interchangeable


Variants available: FN MINIMI®  5.56 Mk3

- Tactical SB (short barrel, adjustable buttstock with shoulder rest)

- Tactical LB (long barrel, adjustable buttstock with shoulder rest)

- SF (short barrel, adjustable buttstock with convex butt plate, without shoulder rest)

- Para (short barrel, telescopic buttstock)

- Standard (long barrel, fixed buttstock)


Customized upgrade program available for users having an earlier FN MINIMI® 5.56 model in service



A number of accessories fully tested and certified by FN Herstal are proposed with the FN MINIMI® Mk3 5.56, as well as a full range of cartridges




Operating principle                        Gas operated, rotating bolt

Weapon length                              Extended: 939mm (36.96")

                                                       Collapsed: 863mm (33.97")         

Barrel length                                   349mm (13.74")

Feeding                                          Belt + box + pouch + magazine

Weight                                            ~ 8kg (~ 17.63 lb)

Cyclic rate of fire                            ~ 800 rounds/min


Defense Products & Services: FN MINIMI® 5.56 Mk3 Light Machine Gun by FN Herstal
Companies & Organizations: 
Defense Products & Services Sectors: Machine guns, light
Country: Belgium
Description: FN MINIMI® 5.56 Mk3 Light Machine Gun
Source of Information: FN Herstal SA