NAA .22 Magnum Rimfire Mini Revolver With .22LR Conversion Cylinder. The NAA Mini Revolver is about as compact as you can go for concealed carry. This little single-action revolver comes with both a .22 Long Rifle cylinder as well as a .22 WMR cylinder, and features a 1.625" barrel. This revolver holds 5 rounds of ammunition, has wood grips, and is made of stainless steel. North American Arms Mini Revolvers are equipped with a unique safety, giving its owner maximum protection against accidental discharge. The North American Arms safety cylinder feature allows the gun to be carried fully loaded. There are halfway notches between the chambers. The hammer is lowered into one of these notches after the gun is loaded. When the hammer is pulled back to the firing position, the cylinder rotates to the next chamber. .22 Magnum Mini Revolver with Conversion Cylinder Specifications: Caliber: .22 Magnum / .22LR Action: Revolver Capacity: 5 rds. Barrel Length: 1.63" Frame: Steel Grips: Rosewood Finish: Stainless Overall length: 5.25" Overall width: 0.875" Overall height: 2.88" Overall weight: 6.2 ozs. Use your trigger finger to order today!Please Note: The traditional half-cock position is to be used for loading and unloading only.