What is the share of foreign components in the Russian equipment

50-90% of Russian military equipment consists of foreign components. These are the data of the research group, which studied the trophy samples that the RF Armed Forces use in artillery systems. 9A52-4 Smerch combat vehicle By Mike1979 Russia - Own work, CC BY-SA 3.0, https://commons.wikimedia.org/w/index.php?curid=38610943... A 9K51M Tornado-G By Vitaly V. Kuzmin - http://vitalykuzmin.net/?q=node/574, CC BY-SA 4.0, https://commons.wikimedia.org/w/index.php?curid=34161201