Smith & Wesson Model 648 22 WMR (22 Mag) 6in Stainless Revolver - 8 Rounds - The eight round all stainless steel Model 648 features a 6 inch full underlug barrel, a Patridge front sight and adjustable rear sight, synthetic finger groove grips, and DA/SA action. The Smith & Wesson model 648 is ideally suited for target shooting and small-game hunting with the 22 WMR -Winchester Magnum Rimfire cartridge. Action: Single/Double Action Cylinder Material: Stainless Steel Barrel Material: Stainless Steel Frame Material: Stainless Steel