.22 caliber .22-caliber .22 calibre .22-calibre
.22_caliber%3:01:00:: .22-caliber%3:01:00:: .22_calibre%3:01:00:: .22-calibre%3:01:00::
of or relating to the bore of a gun (or its ammunition) that measures twenty-two hundredths of an inch in diameter
a .22 caliber pistol