Last year, I saw this 25MM anti-aircraft gun of the Soviet Army on the Internet, and I was interested in it for a while. I spent 3 days on modeling, and then waited for printing and mailing back and forth, missing parts, modifying parts, printing again and mailing back and forth, which was several times longer than the production time. In short, it was finally finished efficiently. A total of 2 units were produced to form an artillery formation. The anti-aircraft gun can pitch from +85 degrees to -5 degrees as the real thing, and two additional ammunition cases are made. In order to make up the two artillery groups, I had to draw out some more Soviet troops, which made my small number of Soviet infantry even more scarce.