Thirty-nine millimeters, 54 millimeters, 108 millimeters, and 114 millimeters are the lengths of the ammunition cartridges and 5.45 millimeters, 7.62 millimeters, 12.7 millimeters, and 14.5 millimeters the diameters of the bores of small-caliber gun barrels manufactured in those countries that signed the Warsaw Pact. Nineteen millimeters (hereafter mm), 45 mm, and 99 mm, and 5.56 mm, 7.62 mm, 9.0 mm, and 12.7 mm are the respective measurements of the same objects when they are manufactured in countries belonging to the North Atlantic Treaty Organization, or NATO. For artillery and other large-caliber weapons, the relevant calibers are 100 mm, 122 mm, and 152 mm, or 105 mm and 155 mm, respectively.
#27. Calibers
#27. Calibers
#27. Calibers
Thirty-nine millimeters, 54 millimeters, 108 millimeters, and 114 millimeters are the lengths of the ammunition cartridges and 5.45 millimeters, 7.62 millimeters, 12.7 millimeters, and 14.5 millimeters the diameters of the bores of small-caliber gun barrels manufactured in those countries that signed the Warsaw Pact. Nineteen millimeters (hereafter mm), 45 mm, and 99 mm, and 5.56 mm, 7.62 mm, 9.0 mm, and 12.7 mm are the respective measurements of the same objects when they are manufactured in countries belonging to the North Atlantic Treaty Organization, or NATO. For artillery and other large-caliber weapons, the relevant calibers are 100 mm, 122 mm, and 152 mm, or 105 mm and 155 mm, respectively.