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The 4.5 inch gun M1 was a field gun developed in the United States in the beginning of World War II. It shared the same carriage with the 155mm howitzer M1 and fired the same ammunition as the British BL 4.5-inch medium field gun. Beginning in 1944, the weapon was used by the U.S. Army as corps -level artillery; with the end of hostilities, it ...
A new type of 4.5 inch gun with a longer 55-calibre barrel, it was designed in the 1960s for the Royal Navy's new classes of frigates and destroyers.The weapon, built by Vickers Ltd Armament Division, was developed by the Royal Armament Research and Development Establishment using the Ordnance, QF 105 mm L13 of the Abbot self-propelled gun as a starting point (it used electrical primers).
The QF 4.5 inch gun has been the standard medium-calibre naval gun used by the Royal Navy as a medium-range weapon capable of use against surface, aircraft and shore targets since 1938. This article covers the early 45- calibre family of guns up to the 1970s. For the later unrelated 55-calibre Royal Navy gun, see 4.5 inch Mark 8 naval gun.
The BL 4.5 inch medium gun was a British gun used by field artillery in the Second World War for counter-battery fire. Developed as a replacement for the BL 60-pounder gun it used the same carriage as the BL 5.5-inch medium gun but fired a lighter round further. It had nothing in common with the QF 4.5 inch Howitzer or the QF 4.5 inch AA gun.
4.5 inch (114 mm) gun. 4.5 inch gun may refer to: QF 4.5-inch howitzer, a British Army weapon of the World War I era. QF 4.5-inch Mk I – V naval gun, a British family of naval guns, actually of 4.45 inches (113 mm) calibre, in service 1938 through 2013. 4.5-inch Mark 8 naval gun, a British naval gun in service 1972 through at least 2018.
Maximum firing range. Surface: 16,300 yd (15,000 m) [3] AA: 28,750 ft (8,800 m) [2] Filling. Lyddite, Amatol. Filling weight. 5 pounds (2.27 kg) The QF 4 inch Mk V gun[note 1] was a Royal Navy gun of World War I which was adapted on HA (i.e. high-angle) mountings to the heavy anti-aircraft role both at sea and on land, and was also used as a ...
Back of British Ordnance BL 5.5 inch (140 mm) M3 medium gun from year 1939, displayed in Hämeenlinna Artillery Museum. A British gunner uses the dial sight and range scale plate of a 5.5-inch gun in 1944. Canadian signaler with shells during a shoot, France July 1944. A BL 5.5 at the base of the Italian Army 's 5th Mountain Artillery Regiment.
The 4.7 inch calibre was superseded by the 4.5 inch calibre on the Z-class destroyers in 1943. The new 4.5 inch guns all had 55-degree elevation mounts and fired a shell slightly heavier than that of 4.7-inch Mk IX and XII guns, although slightly lighter than that fired by the 4.7 inch Mk XI gun.