Re-thought and re-engineered, the FN 15™ II family features the all-new FN Handguard System with M-LOK and a unique barrel nut that eliminates the need for gas tube alignment. Born of the battlefield and trusted by the U.S. Military, these latest versions of the FN 15™ platform have no equal. Own authentic. Own dependable. Own legendary. Own one of the world’s most battle-tested firearms.