L-R 7.62×39, SP6 9×39, SP5 9×39 L-R 7,62×39 9×39 SP5 ball 9×39 SP6 AP 5,45×39 a reader sent us some pictures he had of the 9×39 Grom [Special thanks to Hadley for the pictures]

The 9x39mm Grom is a Russian round that was designed in 1980s to be used as a subsonic round for the Russian special forces. The round can be made using high quality 7.62x39mm (M43) brass… 9×39 Grom