Abtomat Kalashnikov (Automatic Kalashnikov). Usually seen as in AK47, but there are some people using AK74's. It's not a spelling error, the numbers refer to the year the gun was introduced.
Found on http://www.encyclo.co.uk/local/20524
[radio program] AK was a weekly radio program broadcast on the Alaska Public Radio network. Past episodes of AK are available to listeners around the world through a podcast archive. AK focused on Alaskan issues. The program encouraged participation from all of its listeners. ==History== The pilot of “AK” was called “Weekend Alaska”... Found on http://en.wikipedia.org/wiki/AK_(radio_program)