North American Arms’ .22 Magnum Wasp features a vent rib and a skeletonized hammer. It also includes a .22 LR conversion cylinder.
North American Arms 22MSCTW Wasp22 LR or 22 WMR 5 Shot 1.13″ Vent Rib Barrel, Overall Stainless Steel Finish, Black Pebbled Texture Rubber Grip Includes Cylinder