The NR409 may also be named the PRB M409. It has also been manufactured under licence in Portugal as the
M969. Made in Belgium, the mine is usually dark green or sand coloured. The arming cap may be black, clear (transparent) or the colour of the mine body. It, or its copies, are known to have been used in Angola, Chad, Equador, Iraq, Kuwait, Libya, Namibia, Mozambique, Peru, Rwanda, Somalia, Sudan, Thailand, Western Sahara, Zambia and Zimbabwe.
Explosive charge: 80g TNT or Composition B
A relatively small metal content can make this mine hard to detect with a metal-detector.