AK-47 AK-47 The AK-47, AK, or as it is officially known (), also known as the Kalashnikov, is a gas-operated, 7.62×39mm assault rifle, developed in the Soviet Union by Mikhail Kalashnikov. It is the originating firearm of the Kalashnikov rifle (or "AK") family. Design work on the AK-47 began in 1945. In 1946, the AK-47 was presented for official military trials, and in 1948, the fixed-stock version was introduced into active service with selected units of the Soviet Army. An early development of the design was the "AKS" (S—"Skladnoy" or "folding"), which was equipped with an underfolding metal shoulder stock. In
Oficial AK-47 (Black Terry, Dr. Cerebro and Cerebro Negro). Los Oficiales continued to defend the IWRG Trios title through 2009 and into 2010, and by April 21, 2010, had made at least nine successful defenses of the title, more than any previous title holder. Their success has also seen them named the best version of Los Oficiales. Oficial AK-47 has also achieved individual success, including winning a number of "Lucha de Apuesta" or bet matches. On December 21, 2008, AK-47 and Arlequin were the last two wrestlers in a 10-man Steel Cage match and thus were forced to wrestled for their mask