 It was hoped that a common cartridge and rifle could be standardized for issue to the armies of all NATO member countries.After this testing was completed, U.S. Army officials suggested that FN should redesign their rifle to fire the U.S. prototype ".30 Light Rifle" cartridge.FN decided to hedge their bets with the U.S., and in 1951 even made a deal that the U.S. could produce FALs royalty-free, given that the UK appeared to be favouring their own EM-2.