 Most details about the FX-05 are classified as Top Secret, as this is supposed to be a distinctive indigenously-produced weapon for use by Mexico's elite forces.This is to prevent anti-government and criminal organizations from mocking-up copies to aid in infiltrating secure areas, impersonating military personnel, or appearing to have legitimate support for their cause and its actions.It also helps to prevent hostile or enemy forces from learning the abilities, strengths, weaknesses, and limitations of the new weapon series.