Lightweight Medium Machine Gun

The True Velocity RM338, formerly designated as the Lightweight Medium Machine Gun (LWMMG), is a general-purpose machine gun first developed by General Dynamics, then later by LoneStar Future Weapons, which was later acquired by True Velocity.
The RM338 was originally developed by General Dynamics for Combating Terrorism Technical Support Office (CTTSO) Irregular Warfare program, but was later reintroduced by True Velocity for United States Special Operations Command (SOCOM) LMG-M program.