The bore of a gun relates to the diameter of the hole in the barrel - and in turn the diameter of the bullet the gun can fire.
Caliber "Caliber" is a word for the diameter of the bullet or the bore of the gun.
Diameter of either the cartridge or the bore, dependent on how the measurements are taken.
bore diameter
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It depends on the caliber of the bullet.
Caliber is a word used to describe the bore diameter of a gun. It is also informally used as a synonym to grade or rank.
The bore is the inside diameter of the barrel. Simply put, it's the hole down the middle of the barrel.
By measuring the inner diameter of the barrel across the lands.
Bore diameters vary from gun to gun due to wear reduction of the boring tools and to accurately find he bore diameter you must "Slug the barrel". In most cases, it is safe to use bullets of the same diameter as those used by the factory when making ammunition.
The range is not directly related to bore diameter. And the largest gun over built (The Tsar bombard) has a 36" bore.
The bore is the inside of the barrel of the gun. Bore dimension for most rifles is caliber, which is the bore diameter in fractions of an inch or in millimeters. Some older big game rifles had designations such as "12 bore", which is bore diameter the size of a shotgun barrel of the same gauge. Gauge is the number of round balls fitting the bore that can be made from a pound of lead.