Earlier quoted context omitted.
The truth is, the Soviet bloc consistently made lower quality stuff or had much poorer training. There's are a persistent set of myths that both the Soviets and the western arms manufacturers like to perpetuate. The t-34 tank was the greatest tank ever (sometimes had 10:1 losses offset by 14:1 manufacturing) The ak-47 is the best due to is reliability (poor tolerances made it both reliable and astoundingly inaccurate…
Even Napoleon's weapons were vastly superior to the Russian ones at the time... oh, wait :)
But the Russian Empire in 19th century is not the Soviet empire in the 20th century. This topic is about Soviet math and engineering, not 19th century Russia