Q: Generate a question which can yield the answer mentioned in the input. Generated question must be answered by the answer provided in input, without using any extra knowledge.
Context : The Ak 5 or Automatkarbin 5 (''automatic carbine 5'', ''automatic carbine'' being the Swedish term for assault rifle) is the Swedish version of the FN FNC assault rifle with certain modifications, mostly to adapt the weapon to the Swedish climate.
Answer : FN FNC
A:
Which is the basis of Ak 5?