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  2. 6-inch/47-caliber gun - Wikipedia

    en.wikipedia.org/wiki/6-inch/47-caliber_gun

    Mark 16/16DP: 26,118-yard (23,882 m) at 47.5° elevation ( 130-lb AP shell) The 6-inch/47-caliber Mark 16 gun was used in the main batteries of several pre-war and World War II US Navy light cruisers. They were primarily mounted in triple turrets and used against surface targets. The Mark 16DP gun was a dual-purpose fitting of the Mark 16 for ...

  3. Caliber - Wikipedia

    en.wikipedia.org/wiki/Caliber

    While modern firearms are generally referred to by the name of the cartridge the gun is chambered for, they are still categorized together based on bore diameter. For example, a firearm might be described as a "30 caliber rifle", which could accommodate any of a wide range of cartridges using a roughly 0.30 inches (7.6 mm) projectile; or as a "22 rimfire", referring to any rimfire firearms ...

  4. BL 6-inch Mk VII naval gun - Wikipedia

    en.wikipedia.org/wiki/BL_6-inch_Mk_VII_naval_gun

    The BL 6-inch gun Mark VII (and the related Mk VIII) was a British naval gun dating from 1899, which was mounted on a heavy travelling carriage in 1915 for British Army service to become one of the main heavy field guns in the First World War, and also served as one of the main coast defence guns throughout the British Empire until the 1950s.

  5. List of scale model sizes - Wikipedia

    en.wikipedia.org/wiki/List_of_scale_model_sizes

    T scale, using 3 mm gauge track to represent standard gauge railways. 1:450. 0.677 mm. Model railways (T) T scale, using 3 mm gauge track to represent 3 ft 6 in ( 1,067 mm) gauge railways. Hasegawa also produces plastic ship models in this scale. 1:432.

  6. 6 mm caliber - Wikipedia

    en.wikipedia.org/wiki/6_mm_caliber

    Firearm cartridges. 7 mm ». This is a list of firearm cartridges which have bullets of a caliber between 6 millimetres (0.236 in) and 6.99 millimetres (0.275 in). Length refers to the cartridge case length. OAL refers to the overall length of the cartridge. Measurements are in millimeters then inches, i.e. mm (in) .

  7. List of naval guns by caliber - Wikipedia

    en.wikipedia.org/wiki/List_of_naval_guns_by_caliber

    152.4 mm (6.00 in) BL 6 inch gun Mk II - VI United Kingdom: 1880s - 1900s 152.4 mm (6.00 in) BL 6 inch Mk VII 45-caliber United Kingdom: World War I 152.4 mm (6.00 in) BL 6 inch Mk XI naval gun 50-caliber United Kingdom: World War I - World War II 152.4 mm (6.00 in) BL 6 inch Mk XII naval gun 45-caliber United Kingdom

  8. Inch - Wikipedia

    en.wikipedia.org/wiki/Inch

    12 ⁠ ft. Metric ( SI) units. 25.4 mm. A fire hydrant marked as 3-inch. The inch (symbol: in or ″) is a unit of length in the British Imperial and the United States customary systems of measurement. It is equal to ⁠ 1 36 ⁠ yard or ⁠ 1 12 ⁠ of a foot. Derived from the Roman uncia ("twelfth"), the word inch is also sometimes used to ...

  9. Millimetre - Wikipedia

    en.wikipedia.org/wiki/Millimetre

    The microwave is between 1 meter to 1 millimeter. The millimetre ( international spelling; SI unit symbol mm) or millimeter ( American spelling) is a unit of length in the International System of Units (SI), equal to one thousandth of a metre, which is the SI base unit of length. Therefore, there are one thousand millimetres in a metre.