"Mk II : 81 cwt or 89 cwt"@en . . . "The BL 6 inch guns Marks II, III, IV and VI were the second and subsequent generations of British 6-inch breechloading naval guns, designed by the Royal Gun Factory following the first 6-inch breechloader, the relatively unsuccessful BL 6 inch 80 pounder gun designed by Elswick Ordnance. They were originally designed to use the old gunpowder propellants. They were superseded on new warships by the QF 6 inch gun from 1891."@en . "United Kingdom"@en . . "The BL 6 inch guns Marks II, III, IV and VI were the second and subsequent generations of British 6-inch breechloading naval guns, designed by the Royal Gun Factory following the first 6-inch breechloader, the relatively unsuccessful BL 6 inch 80 pounder gun designed by Elswick Ordnance. They were originally designed to use the old gunpowder propellants. They were superseded on new warships by the QF 6 inch gun from 1891."@en . "YES"@en . "QFC guns :"@en . "BLC guns :"@en . "3"^^ . "YES"@en . "BL 6 inch gun Mk II \u2013 VI"@en . . . "Mks III, IV, VI : 5 tons barrel & breech"@en . . . . . . "Mk III :"@en . . . "Mk III, IV, VI :"@en . "Ordnance BL 6 inch gun Mks II, III, IV, VI"@en . . . . "Mk IV, VI :"@en . . "Mks II, III, IV, VI"@en . . "YES"@en . . "RGF and EOC"@en . . . "Mk IV gun on disappearing carriage at Lei Yue Mun Fort, Hong Kong"@en . "1880"^^ . .