Task: Explanation
Input (English): 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. Question: Which bolt-action, magazine-fed, repeating rifle is the Charlton Automatic Rifle a fully automatic conversion of? Answer: Lee–Enfield
Output (English): The Lee–Enfield is a boltaction, magazinefed, 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.