Open main menu

22 caliber, or 5.6mm caliber, refers to a common firearms bore diameter of 0.22 inch (5.6 mm). Both the .22 Long Rifle and 5.56×45mm NATO/.223 Remington cartridges are very widely used.

.22 inch is also a popular air gun pellet caliber, second only to the ubiquitous .177 caliber.

RimfireEdit

.22 inch caliber rimfire variations include:

CenterfireEdit

.22 inch caliber centerfire cartridges, which use .224 in (5.7 mm) bullets, include:

See alsoEdit