North American Arms Mini-Revolver .22 LR 1.125" Stainless Pink Pearl 5-Shot NAA-22LR-GP-P North American Arms Mini-Revolver The North American Arms Mini-Revolver is a compact single action revolver chambered in .22 LR featuring a 1.125 inch stainless steel barrel, stainless steel frame, and 5-shot capacity. Designed for easy concealment, it includes a distinctive pink pearlite grip that provides both style and a secure hold in an ultra-portable package.