adopting the G3 and the United States adopting the M14. Even the C1A1 and L1A1 used inch measurements and were not interchangeable with the FAL's metric parts. France's participation was to adopt a natively-designed service rifle that used their national 7.5mm MAS rifle cartridge.

The British experimental version of the FAL (designated the X-1) initially used an 8-round "horseshoe charger"