The Firearm Blog tells about the history as well as give a review of the real steel AKS-74U Krinkov, with its airsoft version also popular amongst airsoft players... "In this video Miles (who is currently on a 2 month hike in Wisconsin) discuss the history of the famous Kalashnikov AKS-74U. The "Krink" was developed and adopted by the Spetsnaz in the 1970s. It gained infamy in Afghanistan during the 1980s where it was disliked by the Russian Special Forces, but very popular with the Pashtun Mujahadeen, who gave it the name 'Krinkov'."