Related questions

Q.When rifles and pistols state 5.56 mm and 9mm etc does this apply 2 the length or the width of the round? Thanks.

A.In firearms, the calibre is the diameter of the inside of a barrel, and is the same as using millimetres. NATO guns have a 51mm calibre.

Q.What does parabellum mean with ref to weapons

A.Parabellum usually refers to a 9 x 19 mm cartridge or firearm, such as the Luger P08 pistol. In WWI, it referred to the Parabellum MG14 machine gun.

Q.Are all air pistols classed as firearms.

A.In the UK, air pistols generating more than 6 ft lb of energy are classified as firearms. The .22 (5.5mm & 5.6mm) is used to hunt small game.