In this article author describes beginning of soviet conversion programm in ammunition industry in 1945. He shows, that conversion in ammunition industry start in fact in 1944 as result of several individual decisions. These decisions was initiated by economic and regional leaders of the average level. Right after war there was no accurate main plan of carrying out of conversion. The conversion course in 1945 was determined by positions of industrial leaders. Especially strongly it was influenced by struggle between them for industrial capacities. This struggle pushed them to deeper and more consistent carrying out of conversion.