Magnum Research Biggest Finest Revolver with Short Cylinder - .500 JRH - 7.5" Barrel . The grips are white polymer. The rear sight is adjustable and pairs with a fixed-blade front sight. The steel frame weight helps mitigate some of the recoil. From the short cylinder to the frame, the Magnum Research BFG design is very clean. Steel frame Smooth cylinder White polymer grips Includes Weaver scope mount SAO trigger Short cylinder