cal
Meanings
Examples :
"The shooter knew the cal of ammunition needed for his rifle was .223, but he double-checked the box to be sure it was the correct size. "
Le tireur savait que le calibre des munitions nécessaires pour son fusil était .223, mais il a revérifié la boîte pour s'assurer qu'il s'agissait de la bonne taille.
Calibre
Unit of measure used to express the length of the bore of a weapon. The number of calibres is determined by dividing the length of the bore of the weapon, from the breech face of the tube to the muzzle, by the diameter of its bore. A gun tube the bore of which is 40 feet (480 inches) long and 12 inches in diameter is said to be 40 calibers long.