The Rieder Automatic Rifle was a fully automatic Lee–Enfield SMLE rifle conversion of South African origin.
 The Rieder device could be installed quickly with the use of simple tools.
 A similar weapon of New Zealand origin was the Charlton Automatic Rifle.
The FARA 83 (Spanish: "Fusíl Automático República Argentina" ; "Argentine Republic Automatic Rifle") or FAA 81, "Argentine Automatic Rifle" (Spanish: "Fusil Automático Argentino" ) was a rifle locally designed and developed for the Argentine Army in the 1980s.
 It is one of the first indigenously designed assault rifles in the continent.
The Fabrique Nationale Model 1949 (often referred to as the FN-49, SAFN or AFN) is a rifle available as both a semi-automatic rifle and as a selective fire automatic rifle designed by Dieudonné Saive and manufactured by Fabrique Nationale.
 It was used by the militaries of Argentina, Belgium, the Belgian Congo, Brazil, Colombia, Egypt, Indonesia, Luxembourg, and Venezuela.
 The automatic rifle version with selective fire produced for Belgium was known as the AFN.
The Sterling SAR-87 is a military assault rifle of the late Twentieth century.
 The Sterling Assault Rifle (SAR), which included elements from Sterling's earlier Light Automatic Rifle (LAR) design, was jointly engineered by Sterling Armaments Company and Chartered Industries of Singapore in the early 1980s as an advanced version of the AR-18 for the export sales.
 It was also offered to the British Armed Forces, who declined it because they were already in the process of adopting the SA80 bullpup design manufactured by Royal Ordnance Factories.
 The SAR-87 was a robust weapon based on the well tried AR-18 with the versatility of the M16 rifle.
 It could also be converted from 5.56×45mm NATO to 9×19mm Parabellum by changing the barrel and bolt assembly, to provide a submachine gun for Police forces.
 Sterling Armaments tried to push the rifle, renamed SAR-87, for some more years, but at the end of the 1980s, it was bought out by British Aerospace/Royal Ordnance and closed.
 Less than 100 SAR-87 rifles were manufactured.
The Howell Automatic Rifle an automatic conversion for the Lee–Enfield rifle.
 The weapon was reliable but unergonomic for the user as the force of the recoiling bolt interfered with handling.
 Similar conversions were the South African Rieder and Charlton of Australian/New Zealand origin which had full automatic capability.
The Chauchat, named after Colonel Louis Chauchat, the main contributor to its design, was the standard machine rifle or light machine gun of the French Army during World War I (1914–18).
 Its official designation was "Fusil Mitrailleur Modele 1915 CSRG" (in English: ""Machine Rifle Model 1915 CSRG"").
 Beginning in June 1916, it was placed into regular service with French infantry, where the troops called it the FM Chauchat.
 The Chauchat machine rifle in 8mm Lebel was also extensively used in 1917–18 by the American Expeditionary Forces (A.E.F), where it was officially designated as the "Automatic Rifle, Model 1915 (Chauchat)".
 A total of 262,000 Chauchat machine rifles were manufactured between December 1915 and November 1918, including 244,000 chambered for the 8mm Lebel service cartridge, making it the most widely manufactured automatic weapon of World War I.
 The armies of eight other nations – Belgium, Finland, Greece, Italy, Poland, Romania, Russia, and Serbia – also used the Chauchat machine rifle in fairly large numbers during and after World War I.
An automatic rifle is a type of self-loading rifle that is capable of fully automatic fire.
 Automatic rifles are distinguished from semi-automatic rifles in their ability to fire more than one shot in succession once the trigger is pulled.
 Many automatic rifles are select-fire weapons which are capable of firing in fully automatic, semi-automatic or burst-fire modes.
 Most automatic rifles are further subcategorized as battle rifles or assault rifles.
The Sieg automatic rifle was a bullpup automatic rifle designed by Chief Gunner's Mate James E. Sieg of the US Coast Guard.
 The weapon was chambered in the .30-06 round, fed from 20 round magazines and capable of firing around 650–700 RPM on full automatic.
 A two-finger double trigger selected between semi- and full-automatic fire.
 The barrel came with a unique muzzle compensator that could be turned off for use with a flash hider or grenade launcher without interfering when also installing a bayonet.
 Recoil gently threw the barrel of the Sieg rifle downward, not upward.
 When tested at Fort Benning, it had effective results.
 The compensator was extremely effective; it also enabled the user to fire the rifle with one hand.
Dieudonné Joseph Saive (23 May 1888 – 12 October 1970) was a Belgian small arms designer who designed several well-known firearms for Belgian armsmaker Fabrique Nationale, including the FN Model 1949 and the FN FAL ("Fusil Automatique Leger" or Light Automatic Rifle).
 He is also known for modifying several of John Browning's firearms designs, including the 1931 Baby Browning and Browning Hi-Power pistol.
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.
 It was the British Army's standard rifle from its official adoption in 1895 until 1957.
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 It is often referred to as the "SMLE," which is short for the common "Short Magazine Lee-Enfield" variant.

Question: The Rieder Automatic Rifle was a model made by the company that created firearms for the forces of what country?
Answer: British Empire and Commonwealth