it is the measure of the width of the bore, given in millimeters or fractions of an inch. Thus you can have a .303 Enfield, or an 8mm Mauser.
Caliber
Caliber
caliber
Caliber
Caliber
Caliber
The term is caliber- or in Great Britain, calibre.
The term is caliber- or in Great Britain, calibre.
The caliber of the firearms. This is the bore diameter given in fractions of an inch, or in millimeters. A .30 caliber rifle is about .30 inches in diameter. An 8mm rifle is about 8 mm in diameter. Shotguns use an entirely different system known as gauge.
Bore size in a rifle refers to the internal diameter of the rifle's barrel, typically measured in inches or millimeters. It is a critical factor that determines the caliber of the rifle, influencing bullet selection, accuracy, and ballistic performance. A larger bore size generally allows for the use of heavier projectiles, while a smaller bore may enhance velocity and precision. Overall, bore size plays a significant role in defining the rifle's intended use and effectiveness.
Caliber
Bore describes the size of hole in something that has a hole as its main feature, e.g. a gun.