" VPT – Valtion Patruunatehdas, Lapua, FINLAND. Known to have produced Ilmavoimat Konekivaarin Patruuna Kal 7.70 machine gun cartridges, which are interchangeable with the .303 cartridge in:
VPTValtion Patruunatehdas ("State Ammunition Factory") (1923 - 1949) - Lapua, Finland. The forerunner to Lapua. In 1949 it was absorbed by Valmet and renamed LAPUA.