The Sheriff is a.22 caliber single-action revolver. Built on the stylistic frame of the popular Earl, the Sheriff has a slightly shorter 2.5-inch barrel. Most characteristic of the Sheriff is the rectangular shaped cylinder pin, which lines perfectly and compliments the octagonal barrel. This model comes with a 22 Long Rifle conversion cylinderwhich is a special longer .22 Long Rifle cylinder that will fit in the .22 Magnum frame.