The North American Arms 22 Magnum is a five-shot mini revolver chambered in 22 Mag. It features a stainless finish and fixed half-moon sights while the half-way notch cylinder helps guard against accidental discharge. Dependable compact and lightweight the 22 Magnum makes a suitable revolver for self-defense. DetailsAs with every NAA Mini-Revolver the hammer need not rest on an empty chamber. Using the original half-way notch cylinder the hammer may rest safely and securely without chance of accidental discharge. Our .22 Magnum can be used with all popular .22 Magnum ammunition including .22 Magnum shot shells (called Snake Shot by some manufacturers). North American Arms offers a .22 Conversion Cylinder for our .22 Magnum Mini-Revolver. The Conversion Cylinder is a special longer .22 Long Rifle cylinder that will fit in your .22 Magnum Mini-Revolver.