Chief of the General Staff Nikolai Makarov told Russian media that the army already had too many of the weapons in its stores.
A new model is expected to be ready by the end of the year.
News of the army's decision is reportedly being kept from the rifle's designer, Mikhail Kalashnikov, now 91.
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“We do not want to take it upon ourselves to tell him,” an unnamed member of his family told Russia's Izvestia newspaper.
“It might kill him.”
A spokesman for the rifle's developer, the Izhmash plant in central Russia, told Izvestia newspaper that a new model would be ready for demonstration by the end of the year. Read more
Resources for Military Gun Collectors
The Standard Catalog of Military Firearms
The Greatest Guns of Gun Digest
Flayderman's Guide to Antique American Firearms and Their Values
Gun Digest 1944 – 2009 3-DVD Set