The Lee-Speed rifle was a bolt action rifle based on James Paris Lee's rear-locking bolt system and detachable magazine.
 Early models were fitted with barrels using the radiused rifling designed by William Ellis Metford.
 while later models used the same square "Enfield" rifling as contemporary British military rifles.
John Lee was a Scottish-Canadian - Canadian inventor and arms designer, best known for co- inventing a prototype bolt-action rifle with his brother James Paris Lee.
 The rifle they made led to the Lee–Metford and Lee–Enfield series of rifles.
The M1885 Remington–Lee (also known as the M1885 Lee, and "Navy M1885") is a bolt-action, box magazine repeating rifle designed principally by James Paris Lee.
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 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.
 .
 It is often referred to as the "SMLE," which is short for the common "Short Magazine Lee-Enfield" variant.
The Dutch Mannlicher, also known as the M.95 (Model 1895), was the service rifle of the Armed forces of the Netherlands between 1895 and 1945 which replaced the obsolete Beaumont-Vitali M1871/88.
 At first it was produced by Steyr for the Dutch, but after 1904, production took place under license at Hembrug Zaandam in the Netherlands.
 It was based on the earlier Mannlicher 1893 Model that was submitted to and won the Romanian rifle trials.
 The M1893 was itself a somewhat modernized version of the German Gewehr 1888.
 Both Dutch and Romanian rifles fired the same rimmed 6.5×53 mmR cartridge often referred to as "Romanian" or "Dutch 6.5".
Ferdinand Ritter von Mannlicher (January 30, 1848 – January 20, 1904) was an Austrian engineer and small arms designer.
 Along with James Paris Lee, Mannlicher was particularly noted for inventing the en-bloc clip charger-loading magazine system.
 Later, while making improvements to other inventors prototype designs for rotary-feed magazines, Mannlicher, together with his protégé Otto Schönauer, patented a perfected rotary magazine design, the Mannlicher–Schönauer, which was a commercial and military success.
James Paris Lee (9 August 1831 – 24 February 1904) was a British, Canadian and later American inventor and arms designer, best known for inventing the Lee–Metford and Lee–Enfield series of rifles.
The L42A1 was a British Army, Royal Marines and RAF Regiment sniper rifle chambered for the 7.62mm NATO cartridge which entered service in 1970.
 It served until replacement by the Accuracy International L96 in 1985.
 It was the last model in a long and famous line of Lee bolt-action rifles using the rear-locking action designed by James Paris Lee to serve the British Army, which had first entered service in the Lee–Metford rifle of 1888.
 During its British Army service, the L42A1 saw active service during several conflicts including the Dhofar Rebellion in Oman, The Troubles in Northern Ireland, the Falklands War and Gulf War.
The Lee–Metford rifle (a.k.a. "Magazine Lee–Metford", abbreviated "MLM") was a bolt action British army service rifle, combining James Paris Lee's rear-locking bolt system and detachable magazine with an innovative seven groove rifled barrel designed by William Ellis Metford.
 It replaced the Martini–Henry rifle in 1888, following nine years of development and trials, but remained in service for only a short time until replaced by the similar Lee–Enfield.

Question: James Paris Lee is best known for investing the Lee-Metford rifle and another rifle often referred to by what acronymn?
Answer: SMLE