Vasil grew up within a peasant family and spent his youth working and assisting on the farm of his parents until he became a member of the Communist Party of Georgia in 1939.

In August 1942 Vasil was wounded for the first time and after his return, was transferred to the 179th Rifle Division, then part of the Soviet 43rd Army.

[2] By June 1944 Vasil Kvachantiradze in the rank of Starshina, had already suffered five battle wounds and with a personal score of 221, was regarded the best sniper of the 43rd Army.

Due to continuous harassment and resistance, the Germans were not able to secure the area, which was considered important for creating a defensive line.

[4][5] Vasil Kvachantiradze also worked with Kuzma Danilovich Smolensky and under Fyodor Okhlopkov, two other eminent Soviet snipers.