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The Ordnance quick-firing 6-pounder 7 cwt, [note 1] or just 6-pounder, was a British 57 mm gun, serving during the Second World War as a primary anti-tank gun of both the British and United States Army (as the 57 mm gun M1). It was also used as the main armament for a number of armoured fighting vehicles.
The Ordnance QF Hotchkiss 6 pounder gun Mk I and Mk II or QF 6 pounder 8 cwt were a family of long-lived light 57 mm naval guns introduced in 1885 to defend against new, small and fast vessels such as torpedo boats and later submarines. Many variants were produced, often under license, which ranged in length from 40 to 58 calibres, with 40 ...
War Department Ordnance Field Service Bulletin (OFSB) No. 3-14 (Tentative) Ammunition Identification Code (A.I.C.), January 16, 1942. War Department Ordnance Field Service Bulletin (OFSB) No. 3-14 (3rd edition) Ammunition Identification Code (A.I.C.), July 1, 1943. War Department Supply Manual ORD-11 SNL Group S (Bombs, Grenades and Pyrotechnics)
Just as with the tank mounting, the short barrel was an advantage, preventing fouling of line-side structures and bridges. The last British armoured trains (in Scotland) were decommissioned in 1944. In 1940 as part of the British anti-invasion preparations , a large number of pillboxes were built to a design, known as Type 28 or FW3/28 ...
Ordnance crest "WHAT'S IN A NAME" - military education about SNL. This is a historic (index) list of United States Army weapons and materiel, by their Standard Nomenclature List (SNL) group and individual designations — an alpha-numeric nomenclature system used in the United States Army Ordnance Corps Supply Catalogues used from about 1930 to about 1958.
Ordnance QF 17- pounder: Anti-tank gun 76.2 mm 3 inch Ordnance QF 18- pounder: Field gun 83.8 mm 3.3 inch Ordnance QF 20-pounder: Tank gun 83.8 mm 3.3 inch Ordnance QF 25-pounder: Gun-howitzer 87.6 mm 3.45 inch Ordnance QF 32-pounder: Tank gun 94 mm 3.7 inch Ordnance QF 60-pounder: Heavy field gun 127 mm 5 inch
The BL 6-inch gun Marks II, III, IV and VI [note 1] were the second and subsequent generations of British 6-inch rifled breechloading naval guns, designed by the Royal Gun Factory in the 1880s following the first 6-inch breechloader, the relatively unsuccessful BL 6-inch 80-pounder gun designed by Elswick Ordnance.
A diagram from Brassey's Naval Annual 1896 As the QF 6-inch Mk I, Mk II and Mk III, the gun was used as secondary armament of pre-dreadnoughts of the 1890s and cruisers to 1905. On the protected cruisers of the Diadem , Powerful and Edgar classes they made up most of the armament, though the latter class carried two 9.2-inch (230 mm) guns as well.