Many military forces used these helmets such as Argentina, Mexico, and most listed UN countries as stated.
The British Army use covers to camouflage the helmet and adapt it to different environments.
The MK 6 is designed to accept modern ear protection, Bowman personal radios, and respirators.
It is sometimes referred as the "battle bowler", a term first used for the First World War Brodie helmet.
The Mk 6 is often mistakenly thought to be made out of kevlar when in fact it is constructed of ballistic nylon.