The Ak 5 or Automatkarbin 5 is the Swedish version of the FN FNC assault rifle with certain modifications, mostly to adapt the weapon to the partially subarctic Swedish climate. The Ak 5 is the service rifle of the Swedish Armed Forces. The Ak 5 replaced the Ak 4 in Swedish service. Later versions also accept the Colt M203 grenade launcher attachment. The current standard issue version is the Ak 5C.