The Rieder Automatic Rifle was a model made by the company that created firearms for the forces of what country?
Rieder Automatic Rifle: The Rieder Automatic Rifle was a fully automatic Lee–Enfield SMLE rifle conversion of South African origin. Lee–Enfield: The Lee–Enfield is a bolt-action, magazine-fed, repeating rifle that was the main firearm used by the military forces of the British Empire and Commonwealth during the first half of the 20th century.
British Empire and Commonwealth