From National Interest:

More specifically, USSOCOM wants American companies to explore whether it is feasible to “reverse engineer or reengineer and domestically produce the following foreign-like weapons: 7.62×54R belt fed light machine gun that resembles a PKM (Pulemyot Kalashnikova Modernizirovany), and a 12.7×108mm heavy machine gun that resembles a Russian-designed NSV (Nikitin, Sokolov, Volkov).”