North American Arms Mini with Holster 22 WMR (22 Mag) 1.1in Stainless Revolver - 5 Rounds - It is versatile for many applications and is the standard by which other Mini-Revolvers are judged. As 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. This model chambered in 22 WMR. Holster Grips 5-Shot Capacity 1.1in Barrel 22 WMR Mini-Revolver