How did the imperial soldier become the commander of the army after the revolution?

When I got up to open the door, the boy who was helping the painters ran helplessly and knocked on the door opened Until I got out, one of the Furqanis put a Kalashnikov under my throat. He took my 45-caliber Colt from me and threw the magazine out with a blow and threw the magazine in the corner of the garden and threw my Colt on the other side of the yard…