The Lee-Enfield bolt-action, magazine-fed, repeating rifle was the main firearm used by the military forces of the British Empire and Commonwealth during the first half of the 20th century. The No. 4 action is similar to the previous Enfields, but lighter, stronger, and easier to mass produce. The No. 4 rifle was considerably heavier than the No. 1 Mk. III Enfield, largely due to its heavier barrel. Unlike the earlier SMLE, the No 4 Lee-Enfield barrel protrudes from the end of the forestock. The Mk 1/2 variant is part of a set of rifles that were converted in 1954 to Mk 2 standards with an upgraded trigger and receiver. This rifle features a shrouded blade fronts ight, an adjustable aperture rear sight, and a 2-position thumb safety. Its wood, metal, and bore are all in very good condition.