MOSCOW — Its products are used daily all over the world. It is one of Russia’s most recognizable brands. In recent years, it has diversified, streamlined and remade its image.

Now, the Russian gun maker Kalashnikov Kontsern is undergoing a corporate shake-up. The company will be sold, according to official statements and Russian media reports, effectively privatizing it and reportedly leaving a single investor, Aleksei Krivoruchko, with a controlling stake.

The sale is the latest transformation for the company, which for 70 years has been making Kalashnikov-pattern rifles, popularly known as AK-47s and used by militaries and militant groups around the world.

Kalashnikov Kontsern, based in a city east of Moscow, is the capitalist-era descendant of a state-owned enterprise that first stamped out AK-47s after World War II. The weapon was widely copied throughout the Eastern Bloc and beyond, and about 100 million are in use today.